Home / 412,496,947.28-569,234,426.64-226,858,030.40

Finding the Fourth Proportional to 412,496,947.28, 569,234,426.64 and 226,858,030.40

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Solution

The fourth proportional to 412,496,947.28, 569,234,426.64 and 226,858,030.40 is: 313,057,834.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,496,947.28 : 569,234,426.64 = 226,858,030.40 : x
  2. Step 2: Convert to fraction form
    412,496,947.28/569,234,426.64 = 226,858,030.40/x
  3. Step 3: Cross multiply
    412,496,947.28x = 569,234,426.64 × 226,858,030.40
  4. Step 4: Simplify right side
    412,496,947.28x = 129,135,400,863,423,696
  5. Step 5: Solve for x
    x = 129,135,400,863,423,696/412,496,947.28
  6. Step 6: Final answer
    x = 313,057,834.04

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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.