Home / 825,944,203.68-1,140,043,693.68-539,877,285.60

Finding the Fourth Proportional to 825,944,203.68, 1,140,043,693.68 and 539,877,285.60

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Solution

The fourth proportional to 825,944,203.68, 1,140,043,693.68 and 539,877,285.60 is: 745,187,982.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,944,203.68 : 1,140,043,693.68 = 539,877,285.60 : x
  2. Step 2: Convert to fraction form
    825,944,203.68/1,140,043,693.68 = 539,877,285.60/x
  3. Step 3: Cross multiply
    825,944,203.68x = 1,140,043,693.68 × 539,877,285.60
  4. Step 4: Simplify right side
    825,944,203.68x = 615,483,694,809,356,288
  5. Step 5: Solve for x
    x = 615,483,694,809,356,288/825,944,203.68
  6. Step 6: Final answer
    x = 745,187,982.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.