Home / 744,187,221.79-1,116,449,005.12-246,196,568.36

Finding the Fourth Proportional to 744,187,221.79, 1,116,449,005.12 and 246,196,568.36

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Solution

The fourth proportional to 744,187,221.79, 1,116,449,005.12 and 246,196,568.36 is: 369,350,488.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,187,221.79 : 1,116,449,005.12 = 246,196,568.36 : x
  2. Step 2: Convert to fraction form
    744,187,221.79/1,116,449,005.12 = 246,196,568.36/x
  3. Step 3: Cross multiply
    744,187,221.79x = 1,116,449,005.12 × 246,196,568.36
  4. Step 4: Simplify right side
    744,187,221.79x = 274,865,913,811,655,744
  5. Step 5: Solve for x
    x = 274,865,913,811,655,744/744,187,221.79
  6. Step 6: Final answer
    x = 369,350,488.38

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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.