Home / 18,475,784,456.40-27,713,676,684.60-18,108,452,437.20

Finding the Fourth Proportional to 18,475,784,456.40, 27,713,676,684.60 and 18,108,452,437.20

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Solution

The fourth proportional to 18,475,784,456.40, 27,713,676,684.60 and 18,108,452,437.20 is: 27,162,678,655.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,475,784,456.40 : 27,713,676,684.60 = 18,108,452,437.20 : x
  2. Step 2: Convert to fraction form
    18,475,784,456.40/27,713,676,684.60 = 18,108,452,437.20/x
  3. Step 3: Cross multiply
    18,475,784,456.40x = 27,713,676,684.60 × 18,108,452,437.20
  4. Step 4: Simplify right side
    18,475,784,456.40x = 501,851,796,103,017,660,416
  5. Step 5: Solve for x
    x = 501,851,796,103,017,660,416/18,475,784,456.40
  6. Step 6: Final answer
    x = 27,162,678,655.80

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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.