Home / 641,609,420.60-962,414,130.90-156,935,228.60

Finding the Fourth Proportional to 641,609,420.60, 962,414,130.90 and 156,935,228.60

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Solution

The fourth proportional to 641,609,420.60, 962,414,130.90 and 156,935,228.60 is: 235,402,842.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,609,420.60 : 962,414,130.90 = 156,935,228.60 : x
  2. Step 2: Convert to fraction form
    641,609,420.60/962,414,130.90 = 156,935,228.60/x
  3. Step 3: Cross multiply
    641,609,420.60x = 962,414,130.90 × 156,935,228.60
  4. Step 4: Simplify right side
    641,609,420.60x = 151,036,681,640,661,824
  5. Step 5: Solve for x
    x = 151,036,681,640,661,824/641,609,420.60
  6. Step 6: Final answer
    x = 235,402,842.90

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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.