Home / 330,069,298.40-495,103,947.60-305,127,000.80

Finding the Fourth Proportional to 330,069,298.40, 495,103,947.60 and 305,127,000.80

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Solution

The fourth proportional to 330,069,298.40, 495,103,947.60 and 305,127,000.80 is: 457,690,501.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,069,298.40 : 495,103,947.60 = 305,127,000.80 : x
  2. Step 2: Convert to fraction form
    330,069,298.40/495,103,947.60 = 305,127,000.80/x
  3. Step 3: Cross multiply
    330,069,298.40x = 495,103,947.60 × 305,127,000.80
  4. Step 4: Simplify right side
    330,069,298.40x = 151,069,582,615,428,384
  5. Step 5: Solve for x
    x = 151,069,582,615,428,384/330,069,298.40
  6. Step 6: Final answer
    x = 457,690,501.20

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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.