Home / 10,487,168,004.80-15,730,752,007.20-4,272,945,723.20

Finding the Fourth Proportional to 10,487,168,004.80, 15,730,752,007.20 and 4,272,945,723.20

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Solution

The fourth proportional to 10,487,168,004.80, 15,730,752,007.20 and 4,272,945,723.20 is: 6,409,418,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,487,168,004.80 : 15,730,752,007.20 = 4,272,945,723.20 : x
  2. Step 2: Convert to fraction form
    10,487,168,004.80/15,730,752,007.20 = 4,272,945,723.20/x
  3. Step 3: Cross multiply
    10,487,168,004.80x = 15,730,752,007.20 × 4,272,945,723.20
  4. Step 4: Simplify right side
    10,487,168,004.80x = 67,216,649,511,885,053,952
  5. Step 5: Solve for x
    x = 67,216,649,511,885,053,952/10,487,168,004.80
  6. Step 6: Final answer
    x = 6,409,418,584.80

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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.