Home / 352,627,811.70-528,941,717.55-255,378,045.30

Finding the Fourth Proportional to 352,627,811.70, 528,941,717.55 and 255,378,045.30

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Solution

The fourth proportional to 352,627,811.70, 528,941,717.55 and 255,378,045.30 is: 383,067,067.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,627,811.70 : 528,941,717.55 = 255,378,045.30 : x
  2. Step 2: Convert to fraction form
    352,627,811.70/528,941,717.55 = 255,378,045.30/x
  3. Step 3: Cross multiply
    352,627,811.70x = 528,941,717.55 × 255,378,045.30
  4. Step 4: Simplify right side
    352,627,811.70x = 135,080,101,905,543,712
  5. Step 5: Solve for x
    x = 135,080,101,905,543,712/352,627,811.70
  6. Step 6: Final answer
    x = 383,067,067.95

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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.