Home / 1,085,976,614.18-1,628,980,056.65-309,622,275.92

Finding the Fourth Proportional to 1,085,976,614.18, 1,628,980,056.65 and 309,622,275.92

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Solution

The fourth proportional to 1,085,976,614.18, 1,628,980,056.65 and 309,622,275.92 is: 464,437,729.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,976,614.18 : 1,628,980,056.65 = 309,622,275.92 : x
  2. Step 2: Convert to fraction form
    1,085,976,614.18/1,628,980,056.65 = 309,622,275.92/x
  3. Step 3: Cross multiply
    1,085,976,614.18x = 1,628,980,056.65 × 309,622,275.92
  4. Step 4: Simplify right side
    1,085,976,614.18x = 504,368,512,560,892,672
  5. Step 5: Solve for x
    x = 504,368,512,560,892,672/1,085,976,614.18
  6. Step 6: Final answer
    x = 464,437,729.12

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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.