Home / 404,592,155.64-558,338,932.98-218,953,186.92

Finding the Fourth Proportional to 404,592,155.64, 558,338,932.98 and 218,953,186.92

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Solution

The fourth proportional to 404,592,155.64, 558,338,932.98 and 218,953,186.92 is: 302,156,349.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,592,155.64 : 558,338,932.98 = 218,953,186.92 : x
  2. Step 2: Convert to fraction form
    404,592,155.64/558,338,932.98 = 218,953,186.92/x
  3. Step 3: Cross multiply
    404,592,155.64x = 558,338,932.98 × 218,953,186.92
  4. Step 4: Simplify right side
    404,592,155.64x = 122,250,088,757,483,296
  5. Step 5: Solve for x
    x = 122,250,088,757,483,296/404,592,155.64
  6. Step 6: Final answer
    x = 302,156,349.43

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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.