Home / 372,056,948.40-558,085,422.60-291,346,906.80

Finding the Fourth Proportional to 372,056,948.40, 558,085,422.60 and 291,346,906.80

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Solution

The fourth proportional to 372,056,948.40, 558,085,422.60 and 291,346,906.80 is: 437,020,360.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,056,948.40 : 558,085,422.60 = 291,346,906.80 : x
  2. Step 2: Convert to fraction form
    372,056,948.40/558,085,422.60 = 291,346,906.80/x
  3. Step 3: Cross multiply
    372,056,948.40x = 558,085,422.60 × 291,346,906.80
  4. Step 4: Simplify right side
    372,056,948.40x = 162,596,461,604,680,832
  5. Step 5: Solve for x
    x = 162,596,461,604,680,832/372,056,948.40
  6. Step 6: Final answer
    x = 437,020,360.20

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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.