Home / 1,123,632,051.70-1,685,448,077.55-716,493,133.30

Finding the Fourth Proportional to 1,123,632,051.70, 1,685,448,077.55 and 716,493,133.30

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Solution

The fourth proportional to 1,123,632,051.70, 1,685,448,077.55 and 716,493,133.30 is: 1,074,739,699.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,632,051.70 : 1,685,448,077.55 = 716,493,133.30 : x
  2. Step 2: Convert to fraction form
    1,123,632,051.70/1,685,448,077.55 = 716,493,133.30/x
  3. Step 3: Cross multiply
    1,123,632,051.70x = 1,685,448,077.55 × 716,493,133.30
  4. Step 4: Simplify right side
    1,123,632,051.70x = 1,207,611,974,098,260,736
  5. Step 5: Solve for x
    x = 1,207,611,974,098,260,736/1,123,632,051.70
  6. Step 6: Final answer
    x = 1,074,739,699.95

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Double scale
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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.