Home / 442,565,709.80-610,820,623.35-263,961,046.89

Finding the Fourth Proportional to 442,565,709.80, 610,820,623.35 and 263,961,046.89

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Solution

The fourth proportional to 442,565,709.80, 610,820,623.35 and 263,961,046.89 is: 364,313,925.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,565,709.80 : 610,820,623.35 = 263,961,046.89 : x
  2. Step 2: Convert to fraction form
    442,565,709.80/610,820,623.35 = 263,961,046.89/x
  3. Step 3: Cross multiply
    442,565,709.80x = 610,820,623.35 × 263,961,046.89
  4. Step 4: Simplify right side
    442,565,709.80x = 161,232,851,201,468,384
  5. Step 5: Solve for x
    x = 161,232,851,201,468,384/442,565,709.80
  6. Step 6: Final answer
    x = 364,313,925.89

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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.