Home / 531,472,510.20-797,208,765.30-511,065,175.80

Finding the Fourth Proportional to 531,472,510.20, 797,208,765.30 and 511,065,175.80

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Solution

The fourth proportional to 531,472,510.20, 797,208,765.30 and 511,065,175.80 is: 766,597,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,472,510.20 : 797,208,765.30 = 511,065,175.80 : x
  2. Step 2: Convert to fraction form
    531,472,510.20/797,208,765.30 = 511,065,175.80/x
  3. Step 3: Cross multiply
    531,472,510.20x = 797,208,765.30 × 511,065,175.80
  4. Step 4: Simplify right side
    531,472,510.20x = 407,425,637,787,345,408
  5. Step 5: Solve for x
    x = 407,425,637,787,345,408/531,472,510.20
  6. Step 6: Final answer
    x = 766,597,763.70

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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.