Home / 511,283,400.70-766,925,101.05-317,413,723.90

Finding the Fourth Proportional to 511,283,400.70, 766,925,101.05 and 317,413,723.90

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Solution

The fourth proportional to 511,283,400.70, 766,925,101.05 and 317,413,723.90 is: 476,120,585.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,283,400.70 : 766,925,101.05 = 317,413,723.90 : x
  2. Step 2: Convert to fraction form
    511,283,400.70/766,925,101.05 = 317,413,723.90/x
  3. Step 3: Cross multiply
    511,283,400.70x = 766,925,101.05 × 317,413,723.90
  4. Step 4: Simplify right side
    511,283,400.70x = 243,432,552,276,664,256
  5. Step 5: Solve for x
    x = 243,432,552,276,664,256/511,283,400.70
  6. Step 6: Final answer
    x = 476,120,585.85

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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.