Home / 269,573,618.80-404,360,428.20-147,129,612.40

Finding the Fourth Proportional to 269,573,618.80, 404,360,428.20 and 147,129,612.40

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Solution

The fourth proportional to 269,573,618.80, 404,360,428.20 and 147,129,612.40 is: 220,694,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,573,618.80 : 404,360,428.20 = 147,129,612.40 : x
  2. Step 2: Convert to fraction form
    269,573,618.80/404,360,428.20 = 147,129,612.40/x
  3. Step 3: Cross multiply
    269,573,618.80x = 404,360,428.20 × 147,129,612.40
  4. Step 4: Simplify right side
    269,573,618.80x = 59,493,393,070,964,032
  5. Step 5: Solve for x
    x = 59,493,393,070,964,032/269,573,618.80
  6. Step 6: Final answer
    x = 220,694,418.60

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1.5x scale

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.