Home / 749,021,757.99-1,123,976,494.11-417,306,416.46

Finding the Fourth Proportional to 749,021,757.99, 1,123,976,494.11 and 417,306,416.46

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Solution

The fourth proportional to 749,021,757.99, 1,123,976,494.11 and 417,306,416.46 is: 626,206,913.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,021,757.99 : 1,123,976,494.11 = 417,306,416.46 : x
  2. Step 2: Convert to fraction form
    749,021,757.99/1,123,976,494.11 = 417,306,416.46/x
  3. Step 3: Cross multiply
    749,021,757.99x = 1,123,976,494.11 × 417,306,416.46
  4. Step 4: Simplify right side
    749,021,757.99x = 469,042,602,942,318,336
  5. Step 5: Solve for x
    x = 469,042,602,942,318,336/749,021,757.99
  6. Step 6: Final answer
    x = 626,206,913.14

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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.