Home / 346,640,583.47-519,955,626.40-84,327,604.43

Finding the Fourth Proportional to 346,640,583.47, 519,955,626.40 and 84,327,604.43

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Solution

The fourth proportional to 346,640,583.47, 519,955,626.40 and 84,327,604.43 is: 126,490,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,640,583.47 : 519,955,626.40 = 84,327,604.43 : x
  2. Step 2: Convert to fraction form
    346,640,583.47/519,955,626.40 = 84,327,604.43/x
  3. Step 3: Cross multiply
    346,640,583.47x = 519,955,626.40 × 84,327,604.43
  4. Step 4: Simplify right side
    346,640,583.47x = 43,846,612,381,190,648
  5. Step 5: Solve for x
    x = 43,846,612,381,190,648/346,640,583.47
  6. Step 6: Final answer
    x = 126,490,129.76

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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.