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Finding the Fourth Proportional to 1,783,206,800.40, 2,674,810,200.60 and 956,709,757.20

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Solution

The fourth proportional to 1,783,206,800.40, 2,674,810,200.60 and 956,709,757.20 is: 1,435,064,635.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,206,800.40 : 2,674,810,200.60 = 956,709,757.20 : x
  2. Step 2: Convert to fraction form
    1,783,206,800.40/2,674,810,200.60 = 956,709,757.20/x
  3. Step 3: Cross multiply
    1,783,206,800.40x = 2,674,810,200.60 × 956,709,757.20
  4. Step 4: Simplify right side
    1,783,206,800.40x = 2,559,017,017,572,109,312
  5. Step 5: Solve for x
    x = 2,559,017,017,572,109,312/1,783,206,800.40
  6. Step 6: Final answer
    x = 1,435,064,635.80

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Double scale
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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.