Home / 1,026,541,793.38-1,539,197,758.59-326,731,645.30

Finding the Fourth Proportional to 1,026,541,793.38, 1,539,197,758.59 and 326,731,645.30

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Solution

The fourth proportional to 1,026,541,793.38, 1,539,197,758.59 and 326,731,645.30 is: 489,901,745.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,541,793.38 : 1,539,197,758.59 = 326,731,645.30 : x
  2. Step 2: Convert to fraction form
    1,026,541,793.38/1,539,197,758.59 = 326,731,645.30/x
  3. Step 3: Cross multiply
    1,026,541,793.38x = 1,539,197,758.59 × 326,731,645.30
  4. Step 4: Simplify right side
    1,026,541,793.38x = 502,904,616,106,182,912
  5. Step 5: Solve for x
    x = 502,904,616,106,182,912/1,026,541,793.38
  6. Step 6: Final answer
    x = 489,901,745.21

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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.