Home / 511,258,169.60-766,887,254.40-238,656,492.80

Finding the Fourth Proportional to 511,258,169.60, 766,887,254.40 and 238,656,492.80

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Solution

The fourth proportional to 511,258,169.60, 766,887,254.40 and 238,656,492.80 is: 357,984,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,258,169.60 : 766,887,254.40 = 238,656,492.80 : x
  2. Step 2: Convert to fraction form
    511,258,169.60/766,887,254.40 = 238,656,492.80/x
  3. Step 3: Cross multiply
    511,258,169.60x = 766,887,254.40 × 238,656,492.80
  4. Step 4: Simplify right side
    511,258,169.60x = 183,022,622,508,125,376
  5. Step 5: Solve for x
    x = 183,022,622,508,125,376/511,258,169.60
  6. Step 6: Final answer
    x = 357,984,739.20

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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.