Home / 542,862,024.30-814,293,036.45-389,807,016.30

Finding the Fourth Proportional to 542,862,024.30, 814,293,036.45 and 389,807,016.30

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Solution

The fourth proportional to 542,862,024.30, 814,293,036.45 and 389,807,016.30 is: 584,710,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,862,024.30 : 814,293,036.45 = 389,807,016.30 : x
  2. Step 2: Convert to fraction form
    542,862,024.30/814,293,036.45 = 389,807,016.30/x
  3. Step 3: Cross multiply
    542,862,024.30x = 814,293,036.45 × 389,807,016.30
  4. Step 4: Simplify right side
    542,862,024.30x = 317,417,138,932,441,664
  5. Step 5: Solve for x
    x = 317,417,138,932,441,664/542,862,024.30
  6. Step 6: Final answer
    x = 584,710,524.45

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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.