Home / 877,754,512.80-1,316,589,778.80-295,431,645.60

Finding the Fourth Proportional to 877,754,512.80, 1,316,589,778.80 and 295,431,645.60

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Solution

The fourth proportional to 877,754,512.80, 1,316,589,778.80 and 295,431,645.60 is: 443,133,335.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,754,512.80 : 1,316,589,778.80 = 295,431,645.60 : x
  2. Step 2: Convert to fraction form
    877,754,512.80/1,316,589,778.80 = 295,431,645.60/x
  3. Step 3: Cross multiply
    877,754,512.80x = 1,316,589,778.80 × 295,431,645.60
  4. Step 4: Simplify right side
    877,754,512.80x = 388,962,284,931,024,000
  5. Step 5: Solve for x
    x = 388,962,284,931,024,000/877,754,512.80
  6. Step 6: Final answer
    x = 443,133,335.41

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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.