Home / 375,564,980.88-517,681,033.74-296,050,458.78

Finding the Fourth Proportional to 375,564,980.88, 517,681,033.74 and 296,050,458.78

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Solution

The fourth proportional to 375,564,980.88, 517,681,033.74 and 296,050,458.78 is: 408,077,737.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    375,564,980.88 : 517,681,033.74 = 296,050,458.78 : x
  2. Step 2: Convert to fraction form
    375,564,980.88/517,681,033.74 = 296,050,458.78/x
  3. Step 3: Cross multiply
    375,564,980.88x = 517,681,033.74 × 296,050,458.78
  4. Step 4: Simplify right side
    375,564,980.88x = 153,259,707,540,431,648
  5. Step 5: Solve for x
    x = 153,259,707,540,431,648/375,564,980.88
  6. Step 6: Final answer
    x = 408,077,737.12

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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.