Home / 19,666,071,013.77-29,508,791,442.39-9,183,763,983.06

Finding the Fourth Proportional to 19,666,071,013.77, 29,508,791,442.39 and 9,183,763,983.06

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Solution

The fourth proportional to 19,666,071,013.77, 29,508,791,442.39 and 9,183,763,983.06 is: 13,780,168,689.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,666,071,013.77 : 29,508,791,442.39 = 9,183,763,983.06 : x
  2. Step 2: Convert to fraction form
    19,666,071,013.77/29,508,791,442.39 = 9,183,763,983.06/x
  3. Step 3: Cross multiply
    19,666,071,013.77x = 29,508,791,442.39 × 9,183,763,983.06
  4. Step 4: Simplify right side
    19,666,071,013.77x = 271,001,776,032,250,396,672
  5. Step 5: Solve for x
    x = 271,001,776,032,250,396,672/19,666,071,013.77
  6. Step 6: Final answer
    x = 13,780,168,689.64

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1.5x scale

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.