Home / 386,872,959.60-580,309,439.40-299,197,004.40

Finding the Fourth Proportional to 386,872,959.60, 580,309,439.40 and 299,197,004.40

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Solution

The fourth proportional to 386,872,959.60, 580,309,439.40 and 299,197,004.40 is: 448,795,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,872,959.60 : 580,309,439.40 = 299,197,004.40 : x
  2. Step 2: Convert to fraction form
    386,872,959.60/580,309,439.40 = 299,197,004.40/x
  3. Step 3: Cross multiply
    386,872,959.60x = 580,309,439.40 × 299,197,004.40
  4. Step 4: Simplify right side
    386,872,959.60x = 173,626,845,893,523,328
  5. Step 5: Solve for x
    x = 173,626,845,893,523,328/386,872,959.60
  6. Step 6: Final answer
    x = 448,795,506.60

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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.