Home / 286,676,255.82-394,707,141.08-260,492,600.60

Finding the Fourth Proportional to 286,676,255.82, 394,707,141.08 and 260,492,600.60

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Solution

The fourth proportional to 286,676,255.82, 394,707,141.08 and 260,492,600.60 is: 358,656,455.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,676,255.82 : 394,707,141.08 = 260,492,600.60 : x
  2. Step 2: Convert to fraction form
    286,676,255.82/394,707,141.08 = 260,492,600.60/x
  3. Step 3: Cross multiply
    286,676,255.82x = 394,707,141.08 × 260,492,600.60
  4. Step 4: Simplify right side
    286,676,255.82x = 102,818,289,655,320,288
  5. Step 5: Solve for x
    x = 102,818,289,655,320,288/286,676,255.82
  6. Step 6: Final answer
    x = 358,656,455.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.