Home / 868,968,200.40-1,303,452,300.60-213,914,023.80

Finding the Fourth Proportional to 868,968,200.40, 1,303,452,300.60 and 213,914,023.80

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Solution

The fourth proportional to 868,968,200.40, 1,303,452,300.60 and 213,914,023.80 is: 320,871,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,968,200.40 : 1,303,452,300.60 = 213,914,023.80 : x
  2. Step 2: Convert to fraction form
    868,968,200.40/1,303,452,300.60 = 213,914,023.80/x
  3. Step 3: Cross multiply
    868,968,200.40x = 1,303,452,300.60 × 213,914,023.80
  4. Step 4: Simplify right side
    868,968,200.40x = 278,826,726,452,713,152
  5. Step 5: Solve for x
    x = 278,826,726,452,713,152/868,968,200.40
  6. Step 6: Final answer
    x = 320,871,035.70

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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.