Home / 434,436,672.80-651,592,023.60-127,696,800.80

Finding the Fourth Proportional to 434,436,672.80, 651,592,023.60 and 127,696,800.80

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Solution

The fourth proportional to 434,436,672.80, 651,592,023.60 and 127,696,800.80 is: 191,526,687.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,436,672.80 : 651,592,023.60 = 127,696,800.80 : x
  2. Step 2: Convert to fraction form
    434,436,672.80/651,592,023.60 = 127,696,800.80/x
  3. Step 3: Cross multiply
    434,436,672.80x = 651,592,023.60 × 127,696,800.80
  4. Step 4: Simplify right side
    434,436,672.80x = 83,206,216,840,518,096
  5. Step 5: Solve for x
    x = 83,206,216,840,518,096/434,436,672.80
  6. Step 6: Final answer
    x = 191,526,687.43

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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.