Home / 1,139,612,380.32-1,699,837,132.38-1,034,992,905.06

Finding the Fourth Proportional to 1,139,612,380.32, 1,699,837,132.38 and 1,034,992,905.06

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Solution

The fourth proportional to 1,139,612,380.32, 1,699,837,132.38 and 1,034,992,905.06 is: 1,543,787,521.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,612,380.32 : 1,699,837,132.38 = 1,034,992,905.06 : x
  2. Step 2: Convert to fraction form
    1,139,612,380.32/1,699,837,132.38 = 1,034,992,905.06/x
  3. Step 3: Cross multiply
    1,139,612,380.32x = 1,699,837,132.38 × 1,034,992,905.06
  4. Step 4: Simplify right side
    1,139,612,380.32x = 1,759,319,371,770,835,968
  5. Step 5: Solve for x
    x = 1,759,319,371,770,835,968/1,139,612,380.32
  6. Step 6: Final answer
    x = 1,543,787,521.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.