Home / 21,712,566,581.76-29,964,621,781.92-16,350,667,014.72

Finding the Fourth Proportional to 21,712,566,581.76, 29,964,621,781.92 and 16,350,667,014.72

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Solution

The fourth proportional to 21,712,566,581.76, 29,964,621,781.92 and 16,350,667,014.72 is: 22,564,884,309.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,712,566,581.76 : 29,964,621,781.92 = 16,350,667,014.72 : x
  2. Step 2: Convert to fraction form
    21,712,566,581.76/29,964,621,781.92 = 16,350,667,014.72/x
  3. Step 3: Cross multiply
    21,712,566,581.76x = 29,964,621,781.92 × 16,350,667,014.72
  4. Step 4: Simplify right side
    21,712,566,581.76x = 489,941,552,978,199,707,648
  5. Step 5: Solve for x
    x = 489,941,552,978,199,707,648/21,712,566,581.76
  6. Step 6: Final answer
    x = 22,564,884,309.43

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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.