Home / 747,371,363.49-1,031,352,499.58-412,836,685.89

Finding the Fourth Proportional to 747,371,363.49, 1,031,352,499.58 and 412,836,685.89

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Solution

The fourth proportional to 747,371,363.49, 1,031,352,499.58 and 412,836,685.89 is: 569,703,588.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,371,363.49 : 1,031,352,499.58 = 412,836,685.89 : x
  2. Step 2: Convert to fraction form
    747,371,363.49/1,031,352,499.58 = 412,836,685.89/x
  3. Step 3: Cross multiply
    747,371,363.49x = 1,031,352,499.58 × 412,836,685.89
  4. Step 4: Simplify right side
    747,371,363.49x = 425,780,147,908,910,656
  5. Step 5: Solve for x
    x = 425,780,147,908,910,656/747,371,363.49
  6. Step 6: Final answer
    x = 569,703,588.75

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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.