Home / 541,676,632.64-812,258,860.91-209,839,078.04

Finding the Fourth Proportional to 541,676,632.64, 812,258,860.91 and 209,839,078.04

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Solution

The fourth proportional to 541,676,632.64, 812,258,860.91 and 209,839,078.04 is: 314,659,411.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,676,632.64 : 812,258,860.91 = 209,839,078.04 : x
  2. Step 2: Convert to fraction form
    541,676,632.64/812,258,860.91 = 209,839,078.04/x
  3. Step 3: Cross multiply
    541,676,632.64x = 812,258,860.91 × 209,839,078.04
  4. Step 4: Simplify right side
    541,676,632.64x = 170,443,650,498,064,512
  5. Step 5: Solve for x
    x = 170,443,650,498,064,512/541,676,632.64
  6. Step 6: Final answer
    x = 314,659,411.59

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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.