Home / 7,167,534,177.85-9,890,692,083.87-3,995,577,787.21

Finding the Fourth Proportional to 7,167,534,177.85, 9,890,692,083.87 and 3,995,577,787.21

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Solution

The fourth proportional to 7,167,534,177.85, 9,890,692,083.87 and 3,995,577,787.21 is: 5,513,615,786.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,167,534,177.85 : 9,890,692,083.87 = 3,995,577,787.21 : x
  2. Step 2: Convert to fraction form
    7,167,534,177.85/9,890,692,083.87 = 3,995,577,787.21/x
  3. Step 3: Cross multiply
    7,167,534,177.85x = 9,890,692,083.87 × 3,995,577,787.21
  4. Step 4: Simplify right side
    7,167,534,177.85x = 39,519,029,590,444,761,088
  5. Step 5: Solve for x
    x = 39,519,029,590,444,761,088/7,167,534,177.85
  6. Step 6: Final answer
    x = 5,513,615,786.11

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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.