Home / 375,628,704.61-563,443,074.45-257,336,819.76

Finding the Fourth Proportional to 375,628,704.61, 563,443,074.45 and 257,336,819.76

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Solution

The fourth proportional to 375,628,704.61, 563,443,074.45 and 257,336,819.76 is: 386,005,241.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,628,704.61 : 563,443,074.45 = 257,336,819.76 : x
  2. Step 2: Convert to fraction form
    375,628,704.61/563,443,074.45 = 257,336,819.76/x
  3. Step 3: Cross multiply
    375,628,704.61x = 563,443,074.45 × 257,336,819.76
  4. Step 4: Simplify right side
    375,628,704.61x = 144,994,648,894,759,904
  5. Step 5: Solve for x
    x = 144,994,648,894,759,904/375,628,704.61
  6. Step 6: Final answer
    x = 386,005,241.65

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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.