Home / 279,941,315.60-419,911,973.40-267,186,731.60

Finding the Fourth Proportional to 279,941,315.60, 419,911,973.40 and 267,186,731.60

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Solution

The fourth proportional to 279,941,315.60, 419,911,973.40 and 267,186,731.60 is: 400,780,097.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,941,315.60 : 419,911,973.40 = 267,186,731.60 : x
  2. Step 2: Convert to fraction form
    279,941,315.60/419,911,973.40 = 267,186,731.60/x
  3. Step 3: Cross multiply
    279,941,315.60x = 419,911,973.40 × 267,186,731.60
  4. Step 4: Simplify right side
    279,941,315.60x = 112,194,907,732,452,128
  5. Step 5: Solve for x
    x = 112,194,907,732,452,128/279,941,315.60
  6. Step 6: Final answer
    x = 400,780,097.40

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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.