Home / 630,924,945.71-945,541,456.88-491,034,312.68

Finding the Fourth Proportional to 630,924,945.71, 945,541,456.88 and 491,034,312.68

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Solution

The fourth proportional to 630,924,945.71, 945,541,456.88 and 491,034,312.68 is: 735,893,076.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,924,945.71 : 945,541,456.88 = 491,034,312.68 : x
  2. Step 2: Convert to fraction form
    630,924,945.71/945,541,456.88 = 491,034,312.68/x
  3. Step 3: Cross multiply
    630,924,945.71x = 945,541,456.88 × 491,034,312.68
  4. Step 4: Simplify right side
    630,924,945.71x = 464,293,299,382,333,760
  5. Step 5: Solve for x
    x = 464,293,299,382,333,760/630,924,945.71
  6. Step 6: Final answer
    x = 735,893,076.57

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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.