Home / 22,471,396,411.16-31,010,564,431.29-12,309,902,745.08

Finding the Fourth Proportional to 22,471,396,411.16, 31,010,564,431.29 and 12,309,902,745.08

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Solution

The fourth proportional to 22,471,396,411.16, 31,010,564,431.29 and 12,309,902,745.08 is: 16,987,686,267.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,471,396,411.16 : 31,010,564,431.29 = 12,309,902,745.08 : x
  2. Step 2: Convert to fraction form
    22,471,396,411.16/31,010,564,431.29 = 12,309,902,745.08/x
  3. Step 3: Cross multiply
    22,471,396,411.16x = 31,010,564,431.29 × 12,309,902,745.08
  4. Step 4: Simplify right side
    22,471,396,411.16x = 381,737,032,219,061,977,088
  5. Step 5: Solve for x
    x = 381,737,032,219,061,977,088/22,471,396,411.16
  6. Step 6: Final answer
    x = 16,987,686,267.22

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1.5x scale

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.