Home / 1,290,410,418,432.70-1,780,757,318,471.20-704,460,264,057.10

Finding the Fourth Proportional to 1,290,410,418,432.70, 1,780,757,318,471.20 and 704,460,264,057.10

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Solution

The fourth proportional to 1,290,410,418,432.70, 1,780,757,318,471.20 and 704,460,264,057.10 is: 972,150,218,932.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,410,418,432.70 : 1,780,757,318,471.20 = 704,460,264,057.10 : x
  2. Step 2: Convert to fraction form
    1,290,410,418,432.70/1,780,757,318,471.20 = 704,460,264,057.10/x
  3. Step 3: Cross multiply
    1,290,410,418,432.70x = 1,780,757,318,471.20 × 704,460,264,057.10
  4. Step 4: Simplify right side
    1,290,410,418,432.70x = 1,254,472,770,791,834,914,914,304
  5. Step 5: Solve for x
    x = 1,254,472,770,791,834,914,914,304/1,290,410,418,432.70
  6. Step 6: Final answer
    x = 972,150,218,932.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.