Home / 305,865,947.80-458,798,921.70-275,254,946.20

Finding the Fourth Proportional to 305,865,947.80, 458,798,921.70 and 275,254,946.20

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Solution

The fourth proportional to 305,865,947.80, 458,798,921.70 and 275,254,946.20 is: 412,882,419.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,865,947.80 : 458,798,921.70 = 275,254,946.20 : x
  2. Step 2: Convert to fraction form
    305,865,947.80/458,798,921.70 = 275,254,946.20/x
  3. Step 3: Cross multiply
    305,865,947.80x = 458,798,921.70 × 275,254,946.20
  4. Step 4: Simplify right side
    305,865,947.80x = 126,286,672,509,151,504
  5. Step 5: Solve for x
    x = 126,286,672,509,151,504/305,865,947.80
  6. Step 6: Final answer
    x = 412,882,419.30

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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.