Home / 713,785,133.36-1,070,728,875.48-298,844,398.64

Finding the Fourth Proportional to 713,785,133.36, 1,070,728,875.48 and 298,844,398.64

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Solution

The fourth proportional to 713,785,133.36, 1,070,728,875.48 and 298,844,398.64 is: 448,288,023.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,785,133.36 : 1,070,728,875.48 = 298,844,398.64 : x
  2. Step 2: Convert to fraction form
    713,785,133.36/1,070,728,875.48 = 298,844,398.64/x
  3. Step 3: Cross multiply
    713,785,133.36x = 1,070,728,875.48 × 298,844,398.64
  4. Step 4: Simplify right side
    713,785,133.36x = 319,981,326,899,304,000
  5. Step 5: Solve for x
    x = 319,981,326,899,304,000/713,785,133.36
  6. Step 6: Final answer
    x = 448,288,023.87

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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.