Home / 538,969,816.80-808,454,725.20-523,853,272.80

Finding the Fourth Proportional to 538,969,816.80, 808,454,725.20 and 523,853,272.80

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Solution

The fourth proportional to 538,969,816.80, 808,454,725.20 and 523,853,272.80 is: 785,779,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,969,816.80 : 808,454,725.20 = 523,853,272.80 : x
  2. Step 2: Convert to fraction form
    538,969,816.80/808,454,725.20 = 523,853,272.80/x
  3. Step 3: Cross multiply
    538,969,816.80x = 808,454,725.20 × 523,853,272.80
  4. Step 4: Simplify right side
    538,969,816.80x = 423,511,653,706,644,672
  5. Step 5: Solve for x
    x = 423,511,653,706,644,672/538,969,816.80
  6. Step 6: Final answer
    x = 785,779,909.20

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Double scale
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Similar ratio
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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.