Home / 713,655,513.67-1,070,534,864.33-298,715,016.78

Finding the Fourth Proportional to 713,655,513.67, 1,070,534,864.33 and 298,715,016.78

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Solution

The fourth proportional to 713,655,513.67, 1,070,534,864.33 and 298,715,016.78 is: 448,094,120.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,655,513.67 : 1,070,534,864.33 = 298,715,016.78 : x
  2. Step 2: Convert to fraction form
    713,655,513.67/1,070,534,864.33 = 298,715,016.78/x
  3. Step 3: Cross multiply
    713,655,513.67x = 1,070,534,864.33 × 298,715,016.78
  4. Step 4: Simplify right side
    713,655,513.67x = 319,784,839,961,910,976
  5. Step 5: Solve for x
    x = 319,784,839,961,910,976/713,655,513.67
  6. Step 6: Final answer
    x = 448,094,120.81

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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.