Home / 486,953,340.32-671,923,845.60-296,117,003.36

Finding the Fourth Proportional to 486,953,340.32, 671,923,845.60 and 296,117,003.36

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Solution

The fourth proportional to 486,953,340.32, 671,923,845.60 and 296,117,003.36 is: 408,597,824.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,953,340.32 : 671,923,845.60 = 296,117,003.36 : x
  2. Step 2: Convert to fraction form
    486,953,340.32/671,923,845.60 = 296,117,003.36/x
  3. Step 3: Cross multiply
    486,953,340.32x = 671,923,845.60 × 296,117,003.36
  4. Step 4: Simplify right side
    486,953,340.32x = 198,968,075,645,199,328
  5. Step 5: Solve for x
    x = 198,968,075,645,199,328/486,953,340.32
  6. Step 6: Final answer
    x = 408,597,824.82

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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.