Home / 995,361,531.20-1,493,042,296.80-268,423,726.40

Finding the Fourth Proportional to 995,361,531.20, 1,493,042,296.80 and 268,423,726.40

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Solution

The fourth proportional to 995,361,531.20, 1,493,042,296.80 and 268,423,726.40 is: 402,635,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,361,531.20 : 1,493,042,296.80 = 268,423,726.40 : x
  2. Step 2: Convert to fraction form
    995,361,531.20/1,493,042,296.80 = 268,423,726.40/x
  3. Step 3: Cross multiply
    995,361,531.20x = 1,493,042,296.80 × 268,423,726.40
  4. Step 4: Simplify right side
    995,361,531.20x = 400,767,976,979,870,784
  5. Step 5: Solve for x
    x = 400,767,976,979,870,784/995,361,531.20
  6. Step 6: Final answer
    x = 402,635,589.60

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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.