Home / 296,868,354.72-442,892,060.04-280,797,577.44

Finding the Fourth Proportional to 296,868,354.72, 442,892,060.04 and 280,797,577.44

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Solution

The fourth proportional to 296,868,354.72, 442,892,060.04 and 280,797,577.44 is: 418,916,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,868,354.72 : 442,892,060.04 = 280,797,577.44 : x
  2. Step 2: Convert to fraction form
    296,868,354.72/442,892,060.04 = 280,797,577.44/x
  3. Step 3: Cross multiply
    296,868,354.72x = 442,892,060.04 × 280,797,577.44
  4. Step 4: Simplify right side
    296,868,354.72x = 124,363,017,526,643,040
  5. Step 5: Solve for x
    x = 124,363,017,526,643,040/296,868,354.72
  6. Step 6: Final answer
    x = 418,916,383.47

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.