Home / 386,313,465.60-579,271,132.80-143,851,564.80

Finding the Fourth Proportional to 386,313,465.60, 579,271,132.80 and 143,851,564.80

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Solution

The fourth proportional to 386,313,465.60, 579,271,132.80 and 143,851,564.80 is: 215,703,221.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,313,465.60 : 579,271,132.80 = 143,851,564.80 : x
  2. Step 2: Convert to fraction form
    386,313,465.60/579,271,132.80 = 143,851,564.80/x
  3. Step 3: Cross multiply
    386,313,465.60x = 579,271,132.80 × 143,851,564.80
  4. Step 4: Simplify right side
    386,313,465.60x = 83,329,058,896,748,608
  5. Step 5: Solve for x
    x = 83,329,058,896,748,608/386,313,465.60
  6. Step 6: Final answer
    x = 215,703,221.13

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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.