Home / 331,344,017.80-497,016,026.70-280,325,681.80

Finding the Fourth Proportional to 331,344,017.80, 497,016,026.70 and 280,325,681.80

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Solution

The fourth proportional to 331,344,017.80, 497,016,026.70 and 280,325,681.80 is: 420,488,522.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,344,017.80 : 497,016,026.70 = 280,325,681.80 : x
  2. Step 2: Convert to fraction form
    331,344,017.80/497,016,026.70 = 280,325,681.80/x
  3. Step 3: Cross multiply
    331,344,017.80x = 497,016,026.70 × 280,325,681.80
  4. Step 4: Simplify right side
    331,344,017.80x = 139,326,356,550,204,512
  5. Step 5: Solve for x
    x = 139,326,356,550,204,512/331,344,017.80
  6. Step 6: Final answer
    x = 420,488,522.70

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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.