Home / 342,730,293.28-472,643,536.08-225,047,986.72

Finding the Fourth Proportional to 342,730,293.28, 472,643,536.08 and 225,047,986.72

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Solution

The fourth proportional to 342,730,293.28, 472,643,536.08 and 225,047,986.72 is: 310,353,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,730,293.28 : 472,643,536.08 = 225,047,986.72 : x
  2. Step 2: Convert to fraction form
    342,730,293.28/472,643,536.08 = 225,047,986.72/x
  3. Step 3: Cross multiply
    342,730,293.28x = 472,643,536.08 × 225,047,986.72
  4. Step 4: Simplify right side
    342,730,293.28x = 106,367,476,231,025,680
  5. Step 5: Solve for x
    x = 106,367,476,231,025,680/342,730,293.28
  6. Step 6: Final answer
    x = 310,353,296.21

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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.