Home / 539,313,400.80-808,970,101.20-533,938,629.60

Finding the Fourth Proportional to 539,313,400.80, 808,970,101.20 and 533,938,629.60

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Solution

The fourth proportional to 539,313,400.80, 808,970,101.20 and 533,938,629.60 is: 800,907,944.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,313,400.80 : 808,970,101.20 = 533,938,629.60 : x
  2. Step 2: Convert to fraction form
    539,313,400.80/808,970,101.20 = 533,938,629.60/x
  3. Step 3: Cross multiply
    539,313,400.80x = 808,970,101.20 × 533,938,629.60
  4. Step 4: Simplify right side
    539,313,400.80x = 431,940,387,222,101,376
  5. Step 5: Solve for x
    x = 431,940,387,222,101,376/539,313,400.80
  6. Step 6: Final answer
    x = 800,907,944.40

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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.