Home / 10,921,097,119.20-16,381,645,678.80-10,812,258,002.40

Finding the Fourth Proportional to 10,921,097,119.20, 16,381,645,678.80 and 10,812,258,002.40

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Solution

The fourth proportional to 10,921,097,119.20, 16,381,645,678.80 and 10,812,258,002.40 is: 16,218,387,003.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,921,097,119.20 : 16,381,645,678.80 = 10,812,258,002.40 : x
  2. Step 2: Convert to fraction form
    10,921,097,119.20/16,381,645,678.80 = 10,812,258,002.40/x
  3. Step 3: Cross multiply
    10,921,097,119.20x = 16,381,645,678.80 × 10,812,258,002.40
  4. Step 4: Simplify right side
    10,921,097,119.20x = 177,122,579,583,086,657,536
  5. Step 5: Solve for x
    x = 177,122,579,583,086,657,536/10,921,097,119.20
  6. Step 6: Final answer
    x = 16,218,387,003.60

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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.