Home / 384,843,435.55-531,063,486.95-217,569,695.78

Finding the Fourth Proportional to 384,843,435.55, 531,063,486.95 and 217,569,695.78

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Solution

The fourth proportional to 384,843,435.55, 531,063,486.95 and 217,569,695.78 is: 300,234,616.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,843,435.55 : 531,063,486.95 = 217,569,695.78 : x
  2. Step 2: Convert to fraction form
    384,843,435.55/531,063,486.95 = 217,569,695.78/x
  3. Step 3: Cross multiply
    384,843,435.55x = 531,063,486.95 × 217,569,695.78
  4. Step 4: Simplify right side
    384,843,435.55x = 115,543,321,295,817,312
  5. Step 5: Solve for x
    x = 115,543,321,295,817,312/384,843,435.55
  6. Step 6: Final answer
    x = 300,234,616.53

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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.