Home / 1,381,807,774.37-2,074,550,431.86-727,218,484.11

Finding the Fourth Proportional to 1,381,807,774.37, 2,074,550,431.86 and 727,218,484.11

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Solution

The fourth proportional to 1,381,807,774.37, 2,074,550,431.86 and 727,218,484.11 is: 1,091,795,435.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,807,774.37 : 2,074,550,431.86 = 727,218,484.11 : x
  2. Step 2: Convert to fraction form
    1,381,807,774.37/2,074,550,431.86 = 727,218,484.11/x
  3. Step 3: Cross multiply
    1,381,807,774.37x = 2,074,550,431.86 × 727,218,484.11
  4. Step 4: Simplify right side
    1,381,807,774.37x = 1,508,651,420,266,974,976
  5. Step 5: Solve for x
    x = 1,508,651,420,266,974,976/1,381,807,774.37
  6. Step 6: Final answer
    x = 1,091,795,435.12

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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.