Home / 467,492,507.82-645,158,650.95-258,645,249

Finding the Fourth Proportional to 467,492,507.82, 645,158,650.95 and 258,645,249

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Solution

The fourth proportional to 467,492,507.82, 645,158,650.95 and 258,645,249 is: 356,940,950.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,492,507.82 : 645,158,650.95 = 258,645,249 : x
  2. Step 2: Convert to fraction form
    467,492,507.82/645,158,650.95 = 258,645,249/x
  3. Step 3: Cross multiply
    467,492,507.82x = 645,158,650.95 × 258,645,249
  4. Step 4: Simplify right side
    467,492,507.82x = 166,867,219,919,466,848
  5. Step 5: Solve for x
    x = 166,867,219,919,466,848/467,492,507.82
  6. Step 6: Final answer
    x = 356,940,950.13

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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.