Home / 639,600,546.98-956,631,181.78-376,658,320.96

Finding the Fourth Proportional to 639,600,546.98, 956,631,181.78 and 376,658,320.96

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Solution

The fourth proportional to 639,600,546.98, 956,631,181.78 and 376,658,320.96 is: 563,356,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,600,546.98 : 956,631,181.78 = 376,658,320.96 : x
  2. Step 2: Convert to fraction form
    639,600,546.98/956,631,181.78 = 376,658,320.96/x
  3. Step 3: Cross multiply
    639,600,546.98x = 956,631,181.78 × 376,658,320.96
  4. Step 4: Simplify right side
    639,600,546.98x = 360,323,094,707,235,328
  5. Step 5: Solve for x
    x = 360,323,094,707,235,328/639,600,546.98
  6. Step 6: Final answer
    x = 563,356,451.79

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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.