Home / 792,303,323.60-1,188,454,985.40-485,768,154.80

Finding the Fourth Proportional to 792,303,323.60, 1,188,454,985.40 and 485,768,154.80

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Solution

The fourth proportional to 792,303,323.60, 1,188,454,985.40 and 485,768,154.80 is: 728,652,232.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,303,323.60 : 1,188,454,985.40 = 485,768,154.80 : x
  2. Step 2: Convert to fraction form
    792,303,323.60/1,188,454,985.40 = 485,768,154.80/x
  3. Step 3: Cross multiply
    792,303,323.60x = 1,188,454,985.40 × 485,768,154.80
  4. Step 4: Simplify right side
    792,303,323.60x = 577,313,585,320,619,008
  5. Step 5: Solve for x
    x = 577,313,585,320,619,008/792,303,323.60
  6. Step 6: Final answer
    x = 728,652,232.20

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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.