Home / 521,233,510.24-718,971,705.84-320,202,413.92

Finding the Fourth Proportional to 521,233,510.24, 718,971,705.84 and 320,202,413.92

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Solution

The fourth proportional to 521,233,510.24, 718,971,705.84 and 320,202,413.92 is: 441,676,276.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,233,510.24 : 718,971,705.84 = 320,202,413.92 : x
  2. Step 2: Convert to fraction form
    521,233,510.24/718,971,705.84 = 320,202,413.92/x
  3. Step 3: Cross multiply
    521,233,510.24x = 718,971,705.84 × 320,202,413.92
  4. Step 4: Simplify right side
    521,233,510.24x = 230,216,475,750,148,192
  5. Step 5: Solve for x
    x = 230,216,475,750,148,192/521,233,510.24
  6. Step 6: Final answer
    x = 441,676,276.04

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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.