Home / 434,446,972.40-651,670,458.60-161,761,314.80

Finding the Fourth Proportional to 434,446,972.40, 651,670,458.60 and 161,761,314.80

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Solution

The fourth proportional to 434,446,972.40, 651,670,458.60 and 161,761,314.80 is: 242,641,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,446,972.40 : 651,670,458.60 = 161,761,314.80 : x
  2. Step 2: Convert to fraction form
    434,446,972.40/651,670,458.60 = 161,761,314.80/x
  3. Step 3: Cross multiply
    434,446,972.40x = 651,670,458.60 × 161,761,314.80
  4. Step 4: Simplify right side
    434,446,972.40x = 105,415,070,199,454,976
  5. Step 5: Solve for x
    x = 105,415,070,199,454,976/434,446,972.40
  6. Step 6: Final answer
    x = 242,641,972.20

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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.