Home / 398,699,391.40-598,049,087.10-296,662,719.40

Finding the Fourth Proportional to 398,699,391.40, 598,049,087.10 and 296,662,719.40

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Solution

The fourth proportional to 398,699,391.40, 598,049,087.10 and 296,662,719.40 is: 444,994,079.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,699,391.40 : 598,049,087.10 = 296,662,719.40 : x
  2. Step 2: Convert to fraction form
    398,699,391.40/598,049,087.10 = 296,662,719.40/x
  3. Step 3: Cross multiply
    398,699,391.40x = 598,049,087.10 × 296,662,719.40
  4. Step 4: Simplify right side
    398,699,391.40x = 177,418,868,513,773,440
  5. Step 5: Solve for x
    x = 177,418,868,513,773,440/398,699,391.40
  6. Step 6: Final answer
    x = 444,994,079.10

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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.