Home / 2,681,425,874-4,022,717,735.76-816,217,423.58

Finding the Fourth Proportional to 2,681,425,874, 4,022,717,735.76 and 816,217,423.58

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Solution

The fourth proportional to 2,681,425,874, 4,022,717,735.76 and 816,217,423.58 is: 1,224,502,358.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,681,425,874 : 4,022,717,735.76 = 816,217,423.58 : x
  2. Step 2: Convert to fraction form
    2,681,425,874/4,022,717,735.76 = 816,217,423.58/x
  3. Step 3: Cross multiply
    2,681,425,874x = 4,022,717,735.76 × 816,217,423.58
  4. Step 4: Simplify right side
    2,681,425,874x = 3,283,412,306,071,598,592
  5. Step 5: Solve for x
    x = 3,283,412,306,071,598,592/2,681,425,874
  6. Step 6: Final answer
    x = 1,224,502,358.21

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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.