Home / 73,071,780,359.07-109,608,154,818.17-28,308,248,515.47

Finding the Fourth Proportional to 73,071,780,359.07, 109,608,154,818.17 and 28,308,248,515.47

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Solution

The fourth proportional to 73,071,780,359.07, 109,608,154,818.17 and 28,308,248,515.47 is: 42,462,560,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,071,780,359.07 : 109,608,154,818.17 = 28,308,248,515.47 : x
  2. Step 2: Convert to fraction form
    73,071,780,359.07/109,608,154,818.17 = 28,308,248,515.47/x
  3. Step 3: Cross multiply
    73,071,780,359.07x = 109,608,154,818.17 × 28,308,248,515.47
  4. Step 4: Simplify right side
    73,071,780,359.07x = 3,102,814,885,914,867,138,560
  5. Step 5: Solve for x
    x = 3,102,814,885,914,867,138,560/73,071,780,359.07
  6. Step 6: Final answer
    x = 42,462,560,384.70

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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.