Home / 439,719,433.56-659,601,851.40-112,197,812.76

Finding the Fourth Proportional to 439,719,433.56, 659,601,851.40 and 112,197,812.76

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Solution

The fourth proportional to 439,719,433.56, 659,601,851.40 and 112,197,812.76 is: 168,302,511.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,719,433.56 : 659,601,851.40 = 112,197,812.76 : x
  2. Step 2: Convert to fraction form
    439,719,433.56/659,601,851.40 = 112,197,812.76/x
  3. Step 3: Cross multiply
    439,719,433.56x = 659,601,851.40 × 112,197,812.76
  4. Step 4: Simplify right side
    439,719,433.56x = 74,005,885,019,526,544
  5. Step 5: Solve for x
    x = 74,005,885,019,526,544/439,719,433.56
  6. Step 6: Final answer
    x = 168,302,511.49

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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.