Home / 324,758,814.60-487,138,221.90-292,510,187.40

Finding the Fourth Proportional to 324,758,814.60, 487,138,221.90 and 292,510,187.40

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Solution

The fourth proportional to 324,758,814.60, 487,138,221.90 and 292,510,187.40 is: 438,765,281.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,758,814.60 : 487,138,221.90 = 292,510,187.40 : x
  2. Step 2: Convert to fraction form
    324,758,814.60/487,138,221.90 = 292,510,187.40/x
  3. Step 3: Cross multiply
    324,758,814.60x = 487,138,221.90 × 292,510,187.40
  4. Step 4: Simplify right side
    324,758,814.60x = 142,492,892,577,671,760
  5. Step 5: Solve for x
    x = 142,492,892,577,671,760/324,758,814.60
  6. Step 6: Final answer
    x = 438,765,281.10

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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.