Home / 8,578,773,726.40-12,868,160,589.60-5,313,600,222.40

Finding the Fourth Proportional to 8,578,773,726.40, 12,868,160,589.60 and 5,313,600,222.40

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Solution

The fourth proportional to 8,578,773,726.40, 12,868,160,589.60 and 5,313,600,222.40 is: 7,970,400,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578,773,726.40 : 12,868,160,589.60 = 5,313,600,222.40 : x
  2. Step 2: Convert to fraction form
    8,578,773,726.40/12,868,160,589.60 = 5,313,600,222.40/x
  3. Step 3: Cross multiply
    8,578,773,726.40x = 12,868,160,589.60 × 5,313,600,222.40
  4. Step 4: Simplify right side
    8,578,773,726.40x = 68,376,260,970,777,468,928
  5. Step 5: Solve for x
    x = 68,376,260,970,777,468,928/8,578,773,726.40
  6. Step 6: Final answer
    x = 7,970,400,333.60

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Double scale
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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.