Home / 1,009,975,387.20-1,514,963,080.80-355,027,498.80

Finding the Fourth Proportional to 1,009,975,387.20, 1,514,963,080.80 and 355,027,498.80

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Solution

The fourth proportional to 1,009,975,387.20, 1,514,963,080.80 and 355,027,498.80 is: 532,541,248.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,975,387.20 : 1,514,963,080.80 = 355,027,498.80 : x
  2. Step 2: Convert to fraction form
    1,009,975,387.20/1,514,963,080.80 = 355,027,498.80/x
  3. Step 3: Cross multiply
    1,009,975,387.20x = 1,514,963,080.80 × 355,027,498.80
  4. Step 4: Simplify right side
    1,009,975,387.20x = 537,853,553,350,766,336
  5. Step 5: Solve for x
    x = 537,853,553,350,766,336/1,009,975,387.20
  6. Step 6: Final answer
    x = 532,541,248.20

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Double scale
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Similar ratio
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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.