Home / 431,001,490.60-646,908,143.10-226,676,204.20

Finding the Fourth Proportional to 431,001,490.60, 646,908,143.10 and 226,676,204.20

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Solution

The fourth proportional to 431,001,490.60, 646,908,143.10 and 226,676,204.20 is: 340,227,784.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,001,490.60 : 646,908,143.10 = 226,676,204.20 : x
  2. Step 2: Convert to fraction form
    431,001,490.60/646,908,143.10 = 226,676,204.20/x
  3. Step 3: Cross multiply
    431,001,490.60x = 646,908,143.10 × 226,676,204.20
  4. Step 4: Simplify right side
    431,001,490.60x = 146,638,682,343,978,432
  5. Step 5: Solve for x
    x = 146,638,682,343,978,432/431,001,490.60
  6. Step 6: Final answer
    x = 340,227,784.69

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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.