Home / 293,475,862.40-440,213,793.60-288,940,899.20

Finding the Fourth Proportional to 293,475,862.40, 440,213,793.60 and 288,940,899.20

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Solution

The fourth proportional to 293,475,862.40, 440,213,793.60 and 288,940,899.20 is: 433,411,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,475,862.40 : 440,213,793.60 = 288,940,899.20 : x
  2. Step 2: Convert to fraction form
    293,475,862.40/440,213,793.60 = 288,940,899.20/x
  3. Step 3: Cross multiply
    293,475,862.40x = 440,213,793.60 × 288,940,899.20
  4. Step 4: Simplify right side
    293,475,862.40x = 127,195,769,363,027,200
  5. Step 5: Solve for x
    x = 127,195,769,363,027,200/293,475,862.40
  6. Step 6: Final answer
    x = 433,411,348.80

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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.