Home / 1,608,872,000.80-2,413,308,001.20-639,523,616.80

Finding the Fourth Proportional to 1,608,872,000.80, 2,413,308,001.20 and 639,523,616.80

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Solution

The fourth proportional to 1,608,872,000.80, 2,413,308,001.20 and 639,523,616.80 is: 959,285,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,608,872,000.80 : 2,413,308,001.20 = 639,523,616.80 : x
  2. Step 2: Convert to fraction form
    1,608,872,000.80/2,413,308,001.20 = 639,523,616.80/x
  3. Step 3: Cross multiply
    1,608,872,000.80x = 2,413,308,001.20 × 639,523,616.80
  4. Step 4: Simplify right side
    1,608,872,000.80x = 1,543,367,461,379,802,624
  5. Step 5: Solve for x
    x = 1,543,367,461,379,802,624/1,608,872,000.80
  6. Step 6: Final answer
    x = 959,285,425.20

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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.