Home / 478,375,640.40-717,563,460.60-114,869,996.40

Finding the Fourth Proportional to 478,375,640.40, 717,563,460.60 and 114,869,996.40

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Solution

The fourth proportional to 478,375,640.40, 717,563,460.60 and 114,869,996.40 is: 172,304,994.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,375,640.40 : 717,563,460.60 = 114,869,996.40 : x
  2. Step 2: Convert to fraction form
    478,375,640.40/717,563,460.60 = 114,869,996.40/x
  3. Step 3: Cross multiply
    478,375,640.40x = 717,563,460.60 × 114,869,996.40
  4. Step 4: Simplify right side
    478,375,640.40x = 82,426,512,135,893,552
  5. Step 5: Solve for x
    x = 82,426,512,135,893,552/478,375,640.40
  6. Step 6: Final answer
    x = 172,304,994.60

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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.