Home / 403,865,697.60-605,798,546.40-131,264,020.80

Finding the Fourth Proportional to 403,865,697.60, 605,798,546.40 and 131,264,020.80

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Solution

The fourth proportional to 403,865,697.60, 605,798,546.40 and 131,264,020.80 is: 196,896,031.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,865,697.60 : 605,798,546.40 = 131,264,020.80 : x
  2. Step 2: Convert to fraction form
    403,865,697.60/605,798,546.40 = 131,264,020.80/x
  3. Step 3: Cross multiply
    403,865,697.60x = 605,798,546.40 × 131,264,020.80
  4. Step 4: Simplify right side
    403,865,697.60x = 79,519,552,995,259,360
  5. Step 5: Solve for x
    x = 79,519,552,995,259,360/403,865,697.60
  6. Step 6: Final answer
    x = 196,896,031.20

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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.