Home / 526,654,527.40-789,984,415.50-215,931,865.96

Finding the Fourth Proportional to 526,654,527.40, 789,984,415.50 and 215,931,865.96

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Solution

The fourth proportional to 526,654,527.40, 789,984,415.50 and 215,931,865.96 is: 323,898,874.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,654,527.40 : 789,984,415.50 = 215,931,865.96 : x
  2. Step 2: Convert to fraction form
    526,654,527.40/789,984,415.50 = 215,931,865.96/x
  3. Step 3: Cross multiply
    526,654,527.40x = 789,984,415.50 × 215,931,865.96
  4. Step 4: Simplify right side
    526,654,527.40x = 170,582,808,918,234,944
  5. Step 5: Solve for x
    x = 170,582,808,918,234,944/526,654,527.40
  6. Step 6: Final answer
    x = 323,898,874.96

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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.