Home / 1,290,410,418,429.50-1,780,757,318,466.80-704,460,264,053.85

Finding the Fourth Proportional to 1,290,410,418,429.50, 1,780,757,318,466.80 and 704,460,264,053.85

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Solution

The fourth proportional to 1,290,410,418,429.50, 1,780,757,318,466.80 and 704,460,264,053.85 is: 972,150,218,927.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,410,418,429.50 : 1,780,757,318,466.80 = 704,460,264,053.85 : x
  2. Step 2: Convert to fraction form
    1,290,410,418,429.50/1,780,757,318,466.80 = 704,460,264,053.85/x
  3. Step 3: Cross multiply
    1,290,410,418,429.50x = 1,780,757,318,466.80 × 704,460,264,053.85
  4. Step 4: Simplify right side
    1,290,410,418,429.50x = 1,254,472,770,782,947,822,272,512
  5. Step 5: Solve for x
    x = 1,254,472,770,782,947,822,272,512/1,290,410,418,429.50
  6. Step 6: Final answer
    x = 972,150,218,927.80

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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.