Home / 319,070,494.20-440,316,397.08-177,941,847.61

Finding the Fourth Proportional to 319,070,494.20, 440,316,397.08 and 177,941,847.61

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Solution

The fourth proportional to 319,070,494.20, 440,316,397.08 and 177,941,847.61 is: 245,559,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,070,494.20 : 440,316,397.08 = 177,941,847.61 : x
  2. Step 2: Convert to fraction form
    319,070,494.20/440,316,397.08 = 177,941,847.61/x
  3. Step 3: Cross multiply
    319,070,494.20x = 440,316,397.08 × 177,941,847.61
  4. Step 4: Simplify right side
    319,070,494.20x = 78,350,713,228,204,928
  5. Step 5: Solve for x
    x = 78,350,713,228,204,928/319,070,494.20
  6. Step 6: Final answer
    x = 245,559,256.19

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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.