Home / 14,486,784,154.80-21,730,176,232.20-7,874,807,809.20

Finding the Fourth Proportional to 14,486,784,154.80, 21,730,176,232.20 and 7,874,807,809.20

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Solution

The fourth proportional to 14,486,784,154.80, 21,730,176,232.20 and 7,874,807,809.20 is: 11,812,211,713.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,486,784,154.80 : 21,730,176,232.20 = 7,874,807,809.20 : x
  2. Step 2: Convert to fraction form
    14,486,784,154.80/21,730,176,232.20 = 7,874,807,809.20/x
  3. Step 3: Cross multiply
    14,486,784,154.80x = 21,730,176,232.20 × 7,874,807,809.20
  4. Step 4: Simplify right side
    14,486,784,154.80x = 171,120,961,488,620,781,568
  5. Step 5: Solve for x
    x = 171,120,961,488,620,781,568/14,486,784,154.80
  6. Step 6: Final answer
    x = 11,812,211,713.80

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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.