Home / 298,344,360.12-411,719,482.40-171,205,757.13

Finding the Fourth Proportional to 298,344,360.12, 411,719,482.40 and 171,205,757.13

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Solution

The fourth proportional to 298,344,360.12, 411,719,482.40 and 171,205,757.13 is: 236,266,392.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,344,360.12 : 411,719,482.40 = 171,205,757.13 : x
  2. Step 2: Convert to fraction form
    298,344,360.12/411,719,482.40 = 171,205,757.13/x
  3. Step 3: Cross multiply
    298,344,360.12x = 411,719,482.40 × 171,205,757.13
  4. Step 4: Simplify right side
    298,344,360.12x = 70,488,745,708,607,672
  5. Step 5: Solve for x
    x = 70,488,745,708,607,672/298,344,360.12
  6. Step 6: Final answer
    x = 236,266,392.57

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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.