Home / 1,415,639,782.76-1,954,419,949.55-1,258,572,307.73

Finding the Fourth Proportional to 1,415,639,782.76, 1,954,419,949.55 and 1,258,572,307.73

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Solution

The fourth proportional to 1,415,639,782.76, 1,954,419,949.55 and 1,258,572,307.73 is: 1,737,573,962.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,415,639,782.76 : 1,954,419,949.55 = 1,258,572,307.73 : x
  2. Step 2: Convert to fraction form
    1,415,639,782.76/1,954,419,949.55 = 1,258,572,307.73/x
  3. Step 3: Cross multiply
    1,415,639,782.76x = 1,954,419,949.55 × 1,258,572,307.73
  4. Step 4: Simplify right side
    1,415,639,782.76x = 2,459,778,826,172,067,840
  5. Step 5: Solve for x
    x = 2,459,778,826,172,067,840/1,415,639,782.76
  6. Step 6: Final answer
    x = 1,737,573,962.06

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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.