Home / 1,210,074,313.70-1,815,111,470.55-1,183,200,457.70

Finding the Fourth Proportional to 1,210,074,313.70, 1,815,111,470.55 and 1,183,200,457.70

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Solution

The fourth proportional to 1,210,074,313.70, 1,815,111,470.55 and 1,183,200,457.70 is: 1,774,800,686.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,074,313.70 : 1,815,111,470.55 = 1,183,200,457.70 : x
  2. Step 2: Convert to fraction form
    1,210,074,313.70/1,815,111,470.55 = 1,183,200,457.70/x
  3. Step 3: Cross multiply
    1,210,074,313.70x = 1,815,111,470.55 × 1,183,200,457.70
  4. Step 4: Simplify right side
    1,210,074,313.70x = 2,147,640,722,731,280,128
  5. Step 5: Solve for x
    x = 2,147,640,722,731,280,128/1,210,074,313.70
  6. Step 6: Final answer
    x = 1,774,800,686.55

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Half scale
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Double scale
Find fourth proportional to 1,210,074,314.70, 1,815,111,472.05 and 1,183,200,458.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.