Home / 298,344,361.12-411,719,483.78-171,205,758.13

Finding the Fourth Proportional to 298,344,361.12, 411,719,483.78 and 171,205,758.13

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Solution

The fourth proportional to 298,344,361.12, 411,719,483.78 and 171,205,758.13 is: 236,266,393.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,344,361.12 : 411,719,483.78 = 171,205,758.13 : x
  2. Step 2: Convert to fraction form
    298,344,361.12/411,719,483.78 = 171,205,758.13/x
  3. Step 3: Cross multiply
    298,344,361.12x = 411,719,483.78 × 171,205,758.13
  4. Step 4: Simplify right side
    298,344,361.12x = 70,488,746,357,447,128
  5. Step 5: Solve for x
    x = 70,488,746,357,447,128/298,344,361.12
  6. Step 6: Final answer
    x = 236,266,393.95

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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.