Home / 579,313,480.80-868,970,221.20-575,282,402.40

Finding the Fourth Proportional to 579,313,480.80, 868,970,221.20 and 575,282,402.40

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Solution

The fourth proportional to 579,313,480.80, 868,970,221.20 and 575,282,402.40 is: 862,923,603.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,313,480.80 : 868,970,221.20 = 575,282,402.40 : x
  2. Step 2: Convert to fraction form
    579,313,480.80/868,970,221.20 = 575,282,402.40/x
  3. Step 3: Cross multiply
    579,313,480.80x = 868,970,221.20 × 575,282,402.40
  4. Step 4: Simplify right side
    579,313,480.80x = 499,903,276,465,995,392
  5. Step 5: Solve for x
    x = 499,903,276,465,995,392/579,313,480.80
  6. Step 6: Final answer
    x = 862,923,603.60

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1.5x scale

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.