Home / 1,073,087,999.80-1,609,631,999.70-744,870,038.20

Finding the Fourth Proportional to 1,073,087,999.80, 1,609,631,999.70 and 744,870,038.20

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Solution

The fourth proportional to 1,073,087,999.80, 1,609,631,999.70 and 744,870,038.20 is: 1,117,305,057.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,087,999.80 : 1,609,631,999.70 = 744,870,038.20 : x
  2. Step 2: Convert to fraction form
    1,073,087,999.80/1,609,631,999.70 = 744,870,038.20/x
  3. Step 3: Cross multiply
    1,073,087,999.80x = 1,609,631,999.70 × 744,870,038.20
  4. Step 4: Simplify right side
    1,073,087,999.80x = 1,198,966,649,104,481,536
  5. Step 5: Solve for x
    x = 1,198,966,649,104,481,536/1,073,087,999.80
  6. Step 6: Final answer
    x = 1,117,305,057.30

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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.