Home / 426,506,234.20-639,759,351.30-361,936,152.70

Finding the Fourth Proportional to 426,506,234.20, 639,759,351.30 and 361,936,152.70

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Solution

The fourth proportional to 426,506,234.20, 639,759,351.30 and 361,936,152.70 is: 542,904,229.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,506,234.20 : 639,759,351.30 = 361,936,152.70 : x
  2. Step 2: Convert to fraction form
    426,506,234.20/639,759,351.30 = 361,936,152.70/x
  3. Step 3: Cross multiply
    426,506,234.20x = 639,759,351.30 × 361,936,152.70
  4. Step 4: Simplify right side
    426,506,234.20x = 231,552,038,263,369,728
  5. Step 5: Solve for x
    x = 231,552,038,263,369,728/426,506,234.20
  6. Step 6: Final answer
    x = 542,904,229.05

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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.