Home / 386,313,446.60-579,271,104.30-143,851,545.80

Finding the Fourth Proportional to 386,313,446.60, 579,271,104.30 and 143,851,545.80

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Solution

The fourth proportional to 386,313,446.60, 579,271,104.30 and 143,851,545.80 is: 215,703,192.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,313,446.60 : 579,271,104.30 = 143,851,545.80 : x
  2. Step 2: Convert to fraction form
    386,313,446.60/579,271,104.30 = 143,851,545.80/x
  3. Step 3: Cross multiply
    386,313,446.60x = 579,271,104.30 × 143,851,545.80
  4. Step 4: Simplify right side
    386,313,446.60x = 83,329,043,790,828,032
  5. Step 5: Solve for x
    x = 83,329,043,790,828,032/386,313,446.60
  6. Step 6: Final answer
    x = 215,703,192.64

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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.