Home / 18,778,349,140.80-28,167,523,711.20-10,071,219,796.80

Finding the Fourth Proportional to 18,778,349,140.80, 28,167,523,711.20 and 10,071,219,796.80

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Solution

The fourth proportional to 18,778,349,140.80, 28,167,523,711.20 and 10,071,219,796.80 is: 15,106,829,695.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,778,349,140.80 : 28,167,523,711.20 = 10,071,219,796.80 : x
  2. Step 2: Convert to fraction form
    18,778,349,140.80/28,167,523,711.20 = 10,071,219,796.80/x
  3. Step 3: Cross multiply
    18,778,349,140.80x = 28,167,523,711.20 × 10,071,219,796.80
  4. Step 4: Simplify right side
    18,778,349,140.80x = 283,681,322,427,070,840,832
  5. Step 5: Solve for x
    x = 283,681,322,427,070,840,832/18,778,349,140.80
  6. Step 6: Final answer
    x = 15,106,829,695.20

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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.