Home / 814,805,834.18-1,124,459,211.45-457,636,553.06

Finding the Fourth Proportional to 814,805,834.18, 1,124,459,211.45 and 457,636,553.06

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Solution

The fourth proportional to 814,805,834.18, 1,124,459,211.45 and 457,636,553.06 is: 631,553,697.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,805,834.18 : 1,124,459,211.45 = 457,636,553.06 : x
  2. Step 2: Convert to fraction form
    814,805,834.18/1,124,459,211.45 = 457,636,553.06/x
  3. Step 3: Cross multiply
    814,805,834.18x = 1,124,459,211.45 × 457,636,553.06
  4. Step 4: Simplify right side
    814,805,834.18x = 514,593,637,584,543,680
  5. Step 5: Solve for x
    x = 514,593,637,584,543,680/814,805,834.18
  6. Step 6: Final answer
    x = 631,553,697.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.