Home / 388,726,371.52-583,236,830-233,388,660.48

Finding the Fourth Proportional to 388,726,371.52, 583,236,830 and 233,388,660.48

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Solution

The fourth proportional to 388,726,371.52, 583,236,830 and 233,388,660.48 is: 350,171,412.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,726,371.52 : 583,236,830 = 233,388,660.48 : x
  2. Step 2: Convert to fraction form
    388,726,371.52/583,236,830 = 233,388,660.48/x
  3. Step 3: Cross multiply
    388,726,371.52x = 583,236,830 × 233,388,660.48
  4. Step 4: Simplify right side
    388,726,371.52x = 136,120,862,496,301,472
  5. Step 5: Solve for x
    x = 136,120,862,496,301,472/388,726,371.52
  6. Step 6: Final answer
    x = 350,171,412.26

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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.