Home / 3,411,233,456.80-5,120,676,560.40-2,638,305,666.40

Finding the Fourth Proportional to 3,411,233,456.80, 5,120,676,560.40 and 2,638,305,666.40

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Solution

The fourth proportional to 3,411,233,456.80, 5,120,676,560.40 and 2,638,305,666.40 is: 3,960,417,882.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411,233,456.80 : 5,120,676,560.40 = 2,638,305,666.40 : x
  2. Step 2: Convert to fraction form
    3,411,233,456.80/5,120,676,560.40 = 2,638,305,666.40/x
  3. Step 3: Cross multiply
    3,411,233,456.80x = 5,120,676,560.40 × 2,638,305,666.40
  4. Step 4: Simplify right side
    3,411,233,456.80x = 13,509,909,985,104,982,016
  5. Step 5: Solve for x
    x = 13,509,909,985,104,982,016/3,411,233,456.80
  6. Step 6: Final answer
    x = 3,960,417,882.91

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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.