Home / 510,694,076.16-766,148,714.10-165,620,796.48

Finding the Fourth Proportional to 510,694,076.16, 766,148,714.10 and 165,620,796.48

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Solution

The fourth proportional to 510,694,076.16, 766,148,714.10 and 165,620,796.48 is: 248,466,089.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,694,076.16 : 766,148,714.10 = 165,620,796.48 : x
  2. Step 2: Convert to fraction form
    510,694,076.16/766,148,714.10 = 165,620,796.48/x
  3. Step 3: Cross multiply
    510,694,076.16x = 766,148,714.10 × 165,620,796.48
  4. Step 4: Simplify right side
    510,694,076.16x = 126,890,160,251,369,808
  5. Step 5: Solve for x
    x = 126,890,160,251,369,808/510,694,076.16
  6. Step 6: Final answer
    x = 248,466,089.93

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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.