Home / 432,902,625.80-649,353,938.70-402,291,624.20

Finding the Fourth Proportional to 432,902,625.80, 649,353,938.70 and 402,291,624.20

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Solution

The fourth proportional to 432,902,625.80, 649,353,938.70 and 402,291,624.20 is: 603,437,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,902,625.80 : 649,353,938.70 = 402,291,624.20 : x
  2. Step 2: Convert to fraction form
    432,902,625.80/649,353,938.70 = 402,291,624.20/x
  3. Step 3: Cross multiply
    432,902,625.80x = 649,353,938.70 × 402,291,624.20
  4. Step 4: Simplify right side
    432,902,625.80x = 261,229,650,680,290,240
  5. Step 5: Solve for x
    x = 261,229,650,680,290,240/432,902,625.80
  6. Step 6: Final answer
    x = 603,437,436.30

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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.