Home / 9,206,985,726.72-12,705,616,405.08-5,137,844,767.68

Finding the Fourth Proportional to 9,206,985,726.72, 12,705,616,405.08 and 5,137,844,767.68

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Solution

The fourth proportional to 9,206,985,726.72, 12,705,616,405.08 and 5,137,844,767.68 is: 7,090,212,443.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,726.72 : 12,705,616,405.08 = 5,137,844,767.68 : x
  2. Step 2: Convert to fraction form
    9,206,985,726.72/12,705,616,405.08 = 5,137,844,767.68/x
  3. Step 3: Cross multiply
    9,206,985,726.72x = 12,705,616,405.08 × 5,137,844,767.68
  4. Step 4: Simplify right side
    9,206,985,726.72x = 65,279,484,766,989,451,264
  5. Step 5: Solve for x
    x = 65,279,484,766,989,451,264/9,206,985,726.72
  6. Step 6: Final answer
    x = 7,090,212,443.53

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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.