Home / 961,308,001.20-1,441,962,001.80-896,810,746.80

Finding the Fourth Proportional to 961,308,001.20, 1,441,962,001.80 and 896,810,746.80

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Solution

The fourth proportional to 961,308,001.20, 1,441,962,001.80 and 896,810,746.80 is: 1,345,216,120.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,308,001.20 : 1,441,962,001.80 = 896,810,746.80 : x
  2. Step 2: Convert to fraction form
    961,308,001.20/1,441,962,001.80 = 896,810,746.80/x
  3. Step 3: Cross multiply
    961,308,001.20x = 1,441,962,001.80 × 896,810,746.80
  4. Step 4: Simplify right side
    961,308,001.20x = 1,293,167,019,691,480,832
  5. Step 5: Solve for x
    x = 1,293,167,019,691,480,832/961,308,001.20
  6. Step 6: Final answer
    x = 1,345,216,120.20

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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.