Home / 398,606,938.20-597,910,407.30-362,256,373.80

Finding the Fourth Proportional to 398,606,938.20, 597,910,407.30 and 362,256,373.80

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Solution

The fourth proportional to 398,606,938.20, 597,910,407.30 and 362,256,373.80 is: 543,384,560.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,606,938.20 : 597,910,407.30 = 362,256,373.80 : x
  2. Step 2: Convert to fraction form
    398,606,938.20/597,910,407.30 = 362,256,373.80/x
  3. Step 3: Cross multiply
    398,606,938.20x = 597,910,407.30 × 362,256,373.80
  4. Step 4: Simplify right side
    398,606,938.20x = 216,596,856,005,779,040
  5. Step 5: Solve for x
    x = 216,596,856,005,779,040/398,606,938.20
  6. Step 6: Final answer
    x = 543,384,560.70

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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.