Home / 1,191,027,035-1,643,662,655.76-662,429,244.36

Finding the Fourth Proportional to 1,191,027,035, 1,643,662,655.76 and 662,429,244.36

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Solution

The fourth proportional to 1,191,027,035, 1,643,662,655.76 and 662,429,244.36 is: 914,177,578.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,027,035 : 1,643,662,655.76 = 662,429,244.36 : x
  2. Step 2: Convert to fraction form
    1,191,027,035/1,643,662,655.76 = 662,429,244.36/x
  3. Step 3: Cross multiply
    1,191,027,035x = 1,643,662,655.76 × 662,429,244.36
  4. Step 4: Simplify right side
    1,191,027,035x = 1,088,810,211,037,847,680
  5. Step 5: Solve for x
    x = 1,088,810,211,037,847,680/1,191,027,035
  6. Step 6: Final answer
    x = 914,177,578.71

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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.