Home / 886,465,694.80-1,329,698,542.20-272,970,204.40

Finding the Fourth Proportional to 886,465,694.80, 1,329,698,542.20 and 272,970,204.40

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Solution

The fourth proportional to 886,465,694.80, 1,329,698,542.20 and 272,970,204.40 is: 409,455,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,465,694.80 : 1,329,698,542.20 = 272,970,204.40 : x
  2. Step 2: Convert to fraction form
    886,465,694.80/1,329,698,542.20 = 272,970,204.40/x
  3. Step 3: Cross multiply
    886,465,694.80x = 1,329,698,542.20 × 272,970,204.40
  4. Step 4: Simplify right side
    886,465,694.80x = 362,968,082,854,716,032
  5. Step 5: Solve for x
    x = 362,968,082,854,716,032/886,465,694.80
  6. Step 6: Final answer
    x = 409,455,306.60

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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.