Home / 481,018,851.60-721,528,277.40-239,154,147.60

Finding the Fourth Proportional to 481,018,851.60, 721,528,277.40 and 239,154,147.60

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Solution

The fourth proportional to 481,018,851.60, 721,528,277.40 and 239,154,147.60 is: 358,731,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,018,851.60 : 721,528,277.40 = 239,154,147.60 : x
  2. Step 2: Convert to fraction form
    481,018,851.60/721,528,277.40 = 239,154,147.60/x
  3. Step 3: Cross multiply
    481,018,851.60x = 721,528,277.40 × 239,154,147.60
  4. Step 4: Simplify right side
    481,018,851.60x = 172,556,480,150,893,344
  5. Step 5: Solve for x
    x = 172,556,480,150,893,344/481,018,851.60
  6. Step 6: Final answer
    x = 358,731,221.40

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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.