Home / 708,866,491.70-1,063,299,737.55-417,434,453.30

Finding the Fourth Proportional to 708,866,491.70, 1,063,299,737.55 and 417,434,453.30

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Solution

The fourth proportional to 708,866,491.70, 1,063,299,737.55 and 417,434,453.30 is: 626,151,679.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,866,491.70 : 1,063,299,737.55 = 417,434,453.30 : x
  2. Step 2: Convert to fraction form
    708,866,491.70/1,063,299,737.55 = 417,434,453.30/x
  3. Step 3: Cross multiply
    708,866,491.70x = 1,063,299,737.55 × 417,434,453.30
  4. Step 4: Simplify right side
    708,866,491.70x = 443,857,944,638,217,728
  5. Step 5: Solve for x
    x = 443,857,944,638,217,728/708,866,491.70
  6. Step 6: Final answer
    x = 626,151,679.95

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Double scale
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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.