Home / 625,590,960.80-938,386,441.20-165,575,631.20

Finding the Fourth Proportional to 625,590,960.80, 938,386,441.20 and 165,575,631.20

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Solution

The fourth proportional to 625,590,960.80, 938,386,441.20 and 165,575,631.20 is: 248,363,446.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,590,960.80 : 938,386,441.20 = 165,575,631.20 : x
  2. Step 2: Convert to fraction form
    625,590,960.80/938,386,441.20 = 165,575,631.20/x
  3. Step 3: Cross multiply
    625,590,960.80x = 938,386,441.20 × 165,575,631.20
  4. Step 4: Simplify right side
    625,590,960.80x = 155,373,927,311,211,680
  5. Step 5: Solve for x
    x = 155,373,927,311,211,680/625,590,960.80
  6. Step 6: Final answer
    x = 248,363,446.80

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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.