Home / 309,114,508.80-463,671,763.20-165,787,276.80

Finding the Fourth Proportional to 309,114,508.80, 463,671,763.20 and 165,787,276.80

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Solution

The fourth proportional to 309,114,508.80, 463,671,763.20 and 165,787,276.80 is: 248,680,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,114,508.80 : 463,671,763.20 = 165,787,276.80 : x
  2. Step 2: Convert to fraction form
    309,114,508.80/463,671,763.20 = 165,787,276.80/x
  3. Step 3: Cross multiply
    309,114,508.80x = 463,671,763.20 × 165,787,276.80
  4. Step 4: Simplify right side
    309,114,508.80x = 76,870,878,949,982,464
  5. Step 5: Solve for x
    x = 76,870,878,949,982,464/309,114,508.80
  6. Step 6: Final answer
    x = 248,680,915.20

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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.