Home / 639,034,672.80-958,552,009.20-294,660,904.80

Finding the Fourth Proportional to 639,034,672.80, 958,552,009.20 and 294,660,904.80

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Solution

The fourth proportional to 639,034,672.80, 958,552,009.20 and 294,660,904.80 is: 441,991,357.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,034,672.80 : 958,552,009.20 = 294,660,904.80 : x
  2. Step 2: Convert to fraction form
    639,034,672.80/958,552,009.20 = 294,660,904.80/x
  3. Step 3: Cross multiply
    639,034,672.80x = 958,552,009.20 × 294,660,904.80
  4. Step 4: Simplify right side
    639,034,672.80x = 282,447,802,328,729,952
  5. Step 5: Solve for x
    x = 282,447,802,328,729,952/639,034,672.80
  6. Step 6: Final answer
    x = 441,991,357.20

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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.