Home / 358,574,863.13-494,828,281.15-199,811,677.64

Finding the Fourth Proportional to 358,574,863.13, 494,828,281.15 and 199,811,677.64

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Solution

The fourth proportional to 358,574,863.13, 494,828,281.15 and 199,811,677.64 is: 275,737,312.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,574,863.13 : 494,828,281.15 = 199,811,677.64 : x
  2. Step 2: Convert to fraction form
    358,574,863.13/494,828,281.15 = 199,811,677.64/x
  3. Step 3: Cross multiply
    358,574,863.13x = 494,828,281.15 × 199,811,677.64
  4. Step 4: Simplify right side
    358,574,863.13x = 98,872,469,000,299,072
  5. Step 5: Solve for x
    x = 98,872,469,000,299,072/358,574,863.13
  6. Step 6: Final answer
    x = 275,737,312.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.