Home / 19,753,863,985.20-27,260,352,474.15-10,721,623,952.79

Finding the Fourth Proportional to 19,753,863,985.20, 27,260,352,474.15 and 10,721,623,952.79

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Solution

The fourth proportional to 19,753,863,985.20, 27,260,352,474.15 and 10,721,623,952.79 is: 14,795,852,004.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,753,863,985.20 : 27,260,352,474.15 = 10,721,623,952.79 : x
  2. Step 2: Convert to fraction form
    19,753,863,985.20/27,260,352,474.15 = 10,721,623,952.79/x
  3. Step 3: Cross multiply
    19,753,863,985.20x = 27,260,352,474.15 × 10,721,623,952.79
  4. Step 4: Simplify right side
    19,753,863,985.20x = 292,275,248,048,344,825,856
  5. Step 5: Solve for x
    x = 292,275,248,048,344,825,856/19,753,863,985.20
  6. Step 6: Final answer
    x = 14,795,852,004.82

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.