Home / 408,118,885.30-612,816,057.15-235,932,001.30

Finding the Fourth Proportional to 408,118,885.30, 612,816,057.15 and 235,932,001.30

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Solution

The fourth proportional to 408,118,885.30, 612,816,057.15 and 235,932,001.30 is: 354,266,670.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    408,118,885.30 : 612,816,057.15 = 235,932,001.30 : x
  2. Step 2: Convert to fraction form
    408,118,885.30/612,816,057.15 = 235,932,001.30/x
  3. Step 3: Cross multiply
    408,118,885.30x = 612,816,057.15 × 235,932,001.30
  4. Step 4: Simplify right side
    408,118,885.30x = 144,582,918,792,174,688
  5. Step 5: Solve for x
    x = 144,582,918,792,174,688/408,118,885.30
  6. Step 6: Final answer
    x = 354,266,670.82

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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.