Home / 507,199,443.35-760,268,221.44-212,263,555.55

Finding the Fourth Proportional to 507,199,443.35, 760,268,221.44 and 212,263,555.55

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Solution

The fourth proportional to 507,199,443.35, 760,268,221.44 and 212,263,555.55 is: 318,173,132.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,199,443.35 : 760,268,221.44 = 212,263,555.55 : x
  2. Step 2: Convert to fraction form
    507,199,443.35/760,268,221.44 = 212,263,555.55/x
  3. Step 3: Cross multiply
    507,199,443.35x = 760,268,221.44 × 212,263,555.55
  4. Step 4: Simplify right side
    507,199,443.35x = 161,377,235,854,529,152
  5. Step 5: Solve for x
    x = 161,377,235,854,529,152/507,199,443.35
  6. Step 6: Final answer
    x = 318,173,132.82

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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.