Home / 354,294,815.40-531,442,223.10-172,896,287.40

Finding the Fourth Proportional to 354,294,815.40, 531,442,223.10 and 172,896,287.40

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Solution

The fourth proportional to 354,294,815.40, 531,442,223.10 and 172,896,287.40 is: 259,344,431.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,815.40 : 531,442,223.10 = 172,896,287.40 : x
  2. Step 2: Convert to fraction form
    354,294,815.40/531,442,223.10 = 172,896,287.40/x
  3. Step 3: Cross multiply
    354,294,815.40x = 531,442,223.10 × 172,896,287.40
  4. Step 4: Simplify right side
    354,294,815.40x = 91,884,387,341,592,528
  5. Step 5: Solve for x
    x = 91,884,387,341,592,528/354,294,815.40
  6. Step 6: Final answer
    x = 259,344,431.10

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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.