Home / 1,376,587,601.35-2,065,284,335.25-443,891,691.34

Finding the Fourth Proportional to 1,376,587,601.35, 2,065,284,335.25 and 443,891,691.34

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Solution

The fourth proportional to 1,376,587,601.35, 2,065,284,335.25 and 443,891,691.34 is: 665,967,466.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,587,601.35 : 2,065,284,335.25 = 443,891,691.34 : x
  2. Step 2: Convert to fraction form
    1,376,587,601.35/2,065,284,335.25 = 443,891,691.34/x
  3. Step 3: Cross multiply
    1,376,587,601.35x = 2,065,284,335.25 × 443,891,691.34
  4. Step 4: Simplify right side
    1,376,587,601.35x = 916,762,556,666,966,784
  5. Step 5: Solve for x
    x = 916,762,556,666,966,784/1,376,587,601.35
  6. Step 6: Final answer
    x = 665,967,466.05

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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.