Home / 372,916,045.21-558,289,923.31-216,994,652.95

Finding the Fourth Proportional to 372,916,045.21, 558,289,923.31 and 216,994,652.95

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Solution

The fourth proportional to 372,916,045.21, 558,289,923.31 and 216,994,652.95 is: 324,861,130.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,916,045.21 : 558,289,923.31 = 216,994,652.95 : x
  2. Step 2: Convert to fraction form
    372,916,045.21/558,289,923.31 = 216,994,652.95/x
  3. Step 3: Cross multiply
    372,916,045.21x = 558,289,923.31 × 216,994,652.95
  4. Step 4: Simplify right side
    372,916,045.21x = 121,145,928,154,135,552
  5. Step 5: Solve for x
    x = 121,145,928,154,135,552/372,916,045.21
  6. Step 6: Final answer
    x = 324,861,130.84

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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.