Home / 19,666,071,021.52-29,508,791,454.02-9,183,763,990.82

Finding the Fourth Proportional to 19,666,071,021.52, 29,508,791,454.02 and 9,183,763,990.82

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Solution

The fourth proportional to 19,666,071,021.52, 29,508,791,454.02 and 9,183,763,990.82 is: 13,780,168,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,071,021.52 : 29,508,791,454.02 = 9,183,763,990.82 : x
  2. Step 2: Convert to fraction form
    19,666,071,021.52/29,508,791,454.02 = 9,183,763,990.82/x
  3. Step 3: Cross multiply
    19,666,071,021.52x = 29,508,791,454.02 × 9,183,763,990.82
  4. Step 4: Simplify right side
    19,666,071,021.52x = 271,001,776,368,045,817,856
  5. Step 5: Solve for x
    x = 271,001,776,368,045,817,856/19,666,071,021.52
  6. Step 6: Final answer
    x = 13,780,168,701.29

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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.