Home / 398,599,576.20-597,899,364.30-295,287,445.80

Finding the Fourth Proportional to 398,599,576.20, 597,899,364.30 and 295,287,445.80

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Solution

The fourth proportional to 398,599,576.20, 597,899,364.30 and 295,287,445.80 is: 442,931,168.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,599,576.20 : 597,899,364.30 = 295,287,445.80 : x
  2. Step 2: Convert to fraction form
    398,599,576.20/597,899,364.30 = 295,287,445.80/x
  3. Step 3: Cross multiply
    398,599,576.20x = 597,899,364.30 × 295,287,445.80
  4. Step 4: Simplify right side
    398,599,576.20x = 176,552,176,129,590,688
  5. Step 5: Solve for x
    x = 176,552,176,129,590,688/398,599,576.20
  6. Step 6: Final answer
    x = 442,931,168.70

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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.