Home / 526,654,526.40-789,984,414-215,931,864.96

Finding the Fourth Proportional to 526,654,526.40, 789,984,414 and 215,931,864.96

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Solution

The fourth proportional to 526,654,526.40, 789,984,414 and 215,931,864.96 is: 323,898,873.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,654,526.40 : 789,984,414 = 215,931,864.96 : x
  2. Step 2: Convert to fraction form
    526,654,526.40/789,984,414 = 215,931,864.96/x
  3. Step 3: Cross multiply
    526,654,526.40x = 789,984,414 × 215,931,864.96
  4. Step 4: Simplify right side
    526,654,526.40x = 170,582,807,804,352,736
  5. Step 5: Solve for x
    x = 170,582,807,804,352,736/526,654,526.40
  6. Step 6: Final answer
    x = 323,898,873.46

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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.