Home / 721,822,813.59-996,089,709.61-408,550,301.52

Finding the Fourth Proportional to 721,822,813.59, 996,089,709.61 and 408,550,301.52

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Solution

The fourth proportional to 721,822,813.59, 996,089,709.61 and 408,550,301.52 is: 563,784,828.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,822,813.59 : 996,089,709.61 = 408,550,301.52 : x
  2. Step 2: Convert to fraction form
    721,822,813.59/996,089,709.61 = 408,550,301.52/x
  3. Step 3: Cross multiply
    721,822,813.59x = 996,089,709.61 × 408,550,301.52
  4. Step 4: Simplify right side
    721,822,813.59x = 406,952,751,202,134,720
  5. Step 5: Solve for x
    x = 406,952,751,202,134,720/721,822,813.59
  6. Step 6: Final answer
    x = 563,784,828.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.