Home / 419,060,825,139.40-578,411,537,813.82-272,937,412,937.90

Finding the Fourth Proportional to 419,060,825,139.40, 578,411,537,813.82 and 272,937,412,937.90

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Solution

The fourth proportional to 419,060,825,139.40, 578,411,537,813.82 and 272,937,412,937.90 is: 376,723,709,957.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,060,825,139.40 : 578,411,537,813.82 = 272,937,412,937.90 : x
  2. Step 2: Convert to fraction form
    419,060,825,139.40/578,411,537,813.82 = 272,937,412,937.90/x
  3. Step 3: Cross multiply
    419,060,825,139.40x = 578,411,537,813.82 × 272,937,412,937.90
  4. Step 4: Simplify right side
    419,060,825,139.40x = 157,870,148,744,336,342,253,568
  5. Step 5: Solve for x
    x = 157,870,148,744,336,342,253,568/419,060,825,139.40
  6. Step 6: Final answer
    x = 376,723,709,957.43

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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.