Home / 452,753,656.74-624,758,819.42-261,981,699.72

Finding the Fourth Proportional to 452,753,656.74, 624,758,819.42 and 261,981,699.72

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Solution

The fourth proportional to 452,753,656.74, 624,758,819.42 and 261,981,699.72 is: 361,510,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,753,656.74 : 624,758,819.42 = 261,981,699.72 : x
  2. Step 2: Convert to fraction form
    452,753,656.74/624,758,819.42 = 261,981,699.72/x
  3. Step 3: Cross multiply
    452,753,656.74x = 624,758,819.42 × 261,981,699.72
  4. Step 4: Simplify right side
    452,753,656.74x = 163,675,377,425,402,240
  5. Step 5: Solve for x
    x = 163,675,377,425,402,240/452,753,656.74
  6. Step 6: Final answer
    x = 361,510,890.06

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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.