Home / 397,952,323.30-549,175,343.61-230,721,084.10

Finding the Fourth Proportional to 397,952,323.30, 549,175,343.61 and 230,721,084.10

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Solution

The fourth proportional to 397,952,323.30, 549,175,343.61 and 230,721,084.10 is: 318,395,755.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,952,323.30 : 549,175,343.61 = 230,721,084.10 : x
  2. Step 2: Convert to fraction form
    397,952,323.30/549,175,343.61 = 230,721,084.10/x
  3. Step 3: Cross multiply
    397,952,323.30x = 549,175,343.61 × 230,721,084.10
  4. Step 4: Simplify right side
    397,952,323.30x = 126,706,330,638,689,200
  5. Step 5: Solve for x
    x = 126,706,330,638,689,200/397,952,323.30
  6. Step 6: Final answer
    x = 318,395,755.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.