Home / 398,454,513.40-597,863,373.18-204,502,130.92

Finding the Fourth Proportional to 398,454,513.40, 597,863,373.18 and 204,502,130.92

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Solution

The fourth proportional to 398,454,513.40, 597,863,373.18 and 204,502,130.92 is: 306,846,402.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,454,513.40 : 597,863,373.18 = 204,502,130.92 : x
  2. Step 2: Convert to fraction form
    398,454,513.40/597,863,373.18 = 204,502,130.92/x
  3. Step 3: Cross multiply
    398,454,513.40x = 597,863,373.18 × 204,502,130.92
  4. Step 4: Simplify right side
    398,454,513.40x = 122,264,333,814,329,152
  5. Step 5: Solve for x
    x = 122,264,333,814,329,152/398,454,513.40
  6. Step 6: Final answer
    x = 306,846,402.04

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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.