Home / 1,113,962,258.84-1,537,309,404.36-667,998,229.28

Finding the Fourth Proportional to 1,113,962,258.84, 1,537,309,404.36 and 667,998,229.28

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Solution

The fourth proportional to 1,113,962,258.84, 1,537,309,404.36 and 667,998,229.28 is: 921,862,434.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,962,258.84 : 1,537,309,404.36 = 667,998,229.28 : x
  2. Step 2: Convert to fraction form
    1,113,962,258.84/1,537,309,404.36 = 667,998,229.28/x
  3. Step 3: Cross multiply
    1,113,962,258.84x = 1,537,309,404.36 × 667,998,229.28
  4. Step 4: Simplify right side
    1,113,962,258.84x = 1,026,919,959,967,971,456
  5. Step 5: Solve for x
    x = 1,026,919,959,967,971,456/1,113,962,258.84
  6. Step 6: Final answer
    x = 921,862,434.58

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.