Home / 12,754,606,502.10-19,131,909,753.15-7,511,515,884.30

Finding the Fourth Proportional to 12,754,606,502.10, 19,131,909,753.15 and 7,511,515,884.30

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Solution

The fourth proportional to 12,754,606,502.10, 19,131,909,753.15 and 7,511,515,884.30 is: 11,267,273,826.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,754,606,502.10 : 19,131,909,753.15 = 7,511,515,884.30 : x
  2. Step 2: Convert to fraction form
    12,754,606,502.10/19,131,909,753.15 = 7,511,515,884.30/x
  3. Step 3: Cross multiply
    12,754,606,502.10x = 19,131,909,753.15 × 7,511,515,884.30
  4. Step 4: Simplify right side
    12,754,606,502.10x = 143,709,644,007,780,335,616
  5. Step 5: Solve for x
    x = 143,709,644,007,780,335,616/12,754,606,502.10
  6. Step 6: Final answer
    x = 11,267,273,826.45

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1.5x scale

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.