Home / 424,341,311.80-636,511,967.70-151,720,972.60

Finding the Fourth Proportional to 424,341,311.80, 636,511,967.70 and 151,720,972.60

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Solution

The fourth proportional to 424,341,311.80, 636,511,967.70 and 151,720,972.60 is: 227,581,458.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,341,311.80 : 636,511,967.70 = 151,720,972.60 : x
  2. Step 2: Convert to fraction form
    424,341,311.80/636,511,967.70 = 151,720,972.60/x
  3. Step 3: Cross multiply
    424,341,311.80x = 636,511,967.70 × 151,720,972.60
  4. Step 4: Simplify right side
    424,341,311.80x = 96,572,214,810,983,792
  5. Step 5: Solve for x
    x = 96,572,214,810,983,792/424,341,311.80
  6. Step 6: Final answer
    x = 227,581,458.90

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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.