Home / 448,604,765.10-672,998,126.85-254,609,117.10

Finding the Fourth Proportional to 448,604,765.10, 672,998,126.85 and 254,609,117.10

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Solution

The fourth proportional to 448,604,765.10, 672,998,126.85 and 254,609,117.10 is: 381,965,311.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,604,765.10 : 672,998,126.85 = 254,609,117.10 : x
  2. Step 2: Convert to fraction form
    448,604,765.10/672,998,126.85 = 254,609,117.10/x
  3. Step 3: Cross multiply
    448,604,765.10x = 672,998,126.85 × 254,609,117.10
  4. Step 4: Simplify right side
    448,604,765.10x = 171,351,458,887,232,320
  5. Step 5: Solve for x
    x = 171,351,458,887,232,320/448,604,765.10
  6. Step 6: Final answer
    x = 381,965,311.60

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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.