Home / 424,341,310.80-636,511,966.20-151,720,971.60

Finding the Fourth Proportional to 424,341,310.80, 636,511,966.20 and 151,720,971.60

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Solution

The fourth proportional to 424,341,310.80, 636,511,966.20 and 151,720,971.60 is: 227,581,457.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,341,310.80 : 636,511,966.20 = 151,720,971.60 : x
  2. Step 2: Convert to fraction form
    424,341,310.80/636,511,966.20 = 151,720,971.60/x
  3. Step 3: Cross multiply
    424,341,310.80x = 636,511,966.20 × 151,720,971.60
  4. Step 4: Simplify right side
    424,341,310.80x = 96,572,213,946,890,368
  5. Step 5: Solve for x
    x = 96,572,213,946,890,368/424,341,310.80
  6. Step 6: Final answer
    x = 227,581,457.40

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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.