Home / 654,878,857,499.80-981,440,218,824.25-509,676,491,134.80

Finding the Fourth Proportional to 654,878,857,499.80, 981,440,218,824.25 and 509,676,491,134.80

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Solution

The fourth proportional to 654,878,857,499.80, 981,440,218,824.25 and 509,676,491,134.80 is: 763,831,357,907.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,878,857,499.80 : 981,440,218,824.25 = 509,676,491,134.80 : x
  2. Step 2: Convert to fraction form
    654,878,857,499.80/981,440,218,824.25 = 509,676,491,134.80/x
  3. Step 3: Cross multiply
    654,878,857,499.80x = 981,440,218,824.25 × 509,676,491,134.80
  4. Step 4: Simplify right side
    654,878,857,499.80x = 500,217,006,988,913,989,910,528
  5. Step 5: Solve for x
    x = 500,217,006,988,913,989,910,528/654,878,857,499.80
  6. Step 6: Final answer
    x = 763,831,357,907.39

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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.