Home / 403,355,850.40-605,033,775.60-265,606,343.20

Finding the Fourth Proportional to 403,355,850.40, 605,033,775.60 and 265,606,343.20

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Solution

The fourth proportional to 403,355,850.40, 605,033,775.60 and 265,606,343.20 is: 398,409,514.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,355,850.40 : 605,033,775.60 = 265,606,343.20 : x
  2. Step 2: Convert to fraction form
    403,355,850.40/605,033,775.60 = 265,606,343.20/x
  3. Step 3: Cross multiply
    403,355,850.40x = 605,033,775.60 × 265,606,343.20
  4. Step 4: Simplify right side
    403,355,850.40x = 160,700,808,649,605,376
  5. Step 5: Solve for x
    x = 160,700,808,649,605,376/403,355,850.40
  6. Step 6: Final answer
    x = 398,409,514.80

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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.