Home / 426,292,307.12-588,297,648.76-261,248,003.76

Finding the Fourth Proportional to 426,292,307.12, 588,297,648.76 and 261,248,003.76

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Solution

The fourth proportional to 426,292,307.12, 588,297,648.76 and 261,248,003.76 is: 360,530,987.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,292,307.12 : 588,297,648.76 = 261,248,003.76 : x
  2. Step 2: Convert to fraction form
    426,292,307.12/588,297,648.76 = 261,248,003.76/x
  3. Step 3: Cross multiply
    426,292,307.12x = 588,297,648.76 × 261,248,003.76
  4. Step 4: Simplify right side
    426,292,307.12x = 153,691,586,355,251,616
  5. Step 5: Solve for x
    x = 153,691,586,355,251,616/426,292,307.12
  6. Step 6: Final answer
    x = 360,530,987.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.