Home / 514,178,377.68-709,563,967.20-279,227,393.04

Finding the Fourth Proportional to 514,178,377.68, 709,563,967.20 and 279,227,393.04

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Solution

The fourth proportional to 514,178,377.68, 709,563,967.20 and 279,227,393.04 is: 385,332,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,178,377.68 : 709,563,967.20 = 279,227,393.04 : x
  2. Step 2: Convert to fraction form
    514,178,377.68/709,563,967.20 = 279,227,393.04/x
  3. Step 3: Cross multiply
    514,178,377.68x = 709,563,967.20 × 279,227,393.04
  4. Step 4: Simplify right side
    514,178,377.68x = 198,129,696,756,376,096
  5. Step 5: Solve for x
    x = 198,129,696,756,376,096/514,178,377.68
  6. Step 6: Final answer
    x = 385,332,610.93

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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.