Home / 324,758,821.60-487,138,232.40-292,510,194.40

Finding the Fourth Proportional to 324,758,821.60, 487,138,232.40 and 292,510,194.40

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Solution

The fourth proportional to 324,758,821.60, 487,138,232.40 and 292,510,194.40 is: 438,765,291.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,758,821.60 : 487,138,232.40 = 292,510,194.40 : x
  2. Step 2: Convert to fraction form
    324,758,821.60/487,138,232.40 = 292,510,194.40/x
  3. Step 3: Cross multiply
    324,758,821.60x = 487,138,232.40 × 292,510,194.40
  4. Step 4: Simplify right side
    324,758,821.60x = 142,492,899,058,996,352
  5. Step 5: Solve for x
    x = 142,492,899,058,996,352/324,758,821.60
  6. Step 6: Final answer
    x = 438,765,291.60

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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.