Home / 387,232,867.60-580,849,301.40-299,556,912.40

Finding the Fourth Proportional to 387,232,867.60, 580,849,301.40 and 299,556,912.40

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Solution

The fourth proportional to 387,232,867.60, 580,849,301.40 and 299,556,912.40 is: 449,335,368.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,232,867.60 : 580,849,301.40 = 299,556,912.40 : x
  2. Step 2: Convert to fraction form
    387,232,867.60/580,849,301.40 = 299,556,912.40/x
  3. Step 3: Cross multiply
    387,232,867.60x = 580,849,301.40 × 299,556,912.40
  4. Step 4: Simplify right side
    387,232,867.60x = 173,997,423,297,080,992
  5. Step 5: Solve for x
    x = 173,997,423,297,080,992/387,232,867.60
  6. Step 6: Final answer
    x = 449,335,368.60

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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.