Home / 467,492,509.82-645,158,653.72-258,645,251

Finding the Fourth Proportional to 467,492,509.82, 645,158,653.72 and 258,645,251

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Solution

The fourth proportional to 467,492,509.82, 645,158,653.72 and 258,645,251 is: 356,940,952.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,492,509.82 : 645,158,653.72 = 258,645,251 : x
  2. Step 2: Convert to fraction form
    467,492,509.82/645,158,653.72 = 258,645,251/x
  3. Step 3: Cross multiply
    467,492,509.82x = 645,158,653.72 × 258,645,251
  4. Step 4: Simplify right side
    467,492,509.82x = 166,867,221,926,231,488
  5. Step 5: Solve for x
    x = 166,867,221,926,231,488/467,492,509.82
  6. Step 6: Final answer
    x = 356,940,952.89

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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.