Home / 342,491,938.60-472,638,878.40-185,859,045.34

Finding the Fourth Proportional to 342,491,938.60, 472,638,878.40 and 185,859,045.34

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Solution

The fourth proportional to 342,491,938.60, 472,638,878.40 and 185,859,045.34 is: 256,485,484.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,491,938.60 : 472,638,878.40 = 185,859,045.34 : x
  2. Step 2: Convert to fraction form
    342,491,938.60/472,638,878.40 = 185,859,045.34/x
  3. Step 3: Cross multiply
    342,491,938.60x = 472,638,878.40 × 185,859,045.34
  4. Step 4: Simplify right side
    342,491,938.60x = 87,844,210,729,992,336
  5. Step 5: Solve for x
    x = 87,844,210,729,992,336/342,491,938.60
  6. Step 6: Final answer
    x = 256,485,484.27

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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.