Home / 434,676,149.40-650,313,612.90-281,621,141.40

Finding the Fourth Proportional to 434,676,149.40, 650,313,612.90 and 281,621,141.40

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Solution

The fourth proportional to 434,676,149.40, 650,313,612.90 and 281,621,141.40 is: 421,329,907.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,676,149.40 : 650,313,612.90 = 281,621,141.40 : x
  2. Step 2: Convert to fraction form
    434,676,149.40/650,313,612.90 = 281,621,141.40/x
  3. Step 3: Cross multiply
    434,676,149.40x = 650,313,612.90 × 281,621,141.40
  4. Step 4: Simplify right side
    434,676,149.40x = 183,142,061,932,855,744
  5. Step 5: Solve for x
    x = 183,142,061,932,855,744/434,676,149.40
  6. Step 6: Final answer
    x = 421,329,907.76

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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.