Home / 1,521,280,137.97-2,101,335,898.16-1,258,025,524.21

Finding the Fourth Proportional to 1,521,280,137.97, 2,101,335,898.16 and 1,258,025,524.21

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Solution

The fourth proportional to 1,521,280,137.97, 2,101,335,898.16 and 1,258,025,524.21 is: 1,737,703,746.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,280,137.97 : 2,101,335,898.16 = 1,258,025,524.21 : x
  2. Step 2: Convert to fraction form
    1,521,280,137.97/2,101,335,898.16 = 1,258,025,524.21/x
  3. Step 3: Cross multiply
    1,521,280,137.97x = 2,101,335,898.16 × 1,258,025,524.21
  4. Step 4: Simplify right side
    1,521,280,137.97x = 2,643,534,194,830,027,776
  5. Step 5: Solve for x
    x = 2,643,534,194,830,027,776/1,521,280,137.97
  6. Step 6: Final answer
    x = 1,737,703,746.24

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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.