Home / 772,734,612.80-1,066,276,767.84-522,383,581.12

Finding the Fourth Proportional to 772,734,612.80, 1,066,276,767.84 and 522,383,581.12

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Solution

The fourth proportional to 772,734,612.80, 1,066,276,767.84 and 522,383,581.12 is: 720,823,769.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,734,612.80 : 1,066,276,767.84 = 522,383,581.12 : x
  2. Step 2: Convert to fraction form
    772,734,612.80/1,066,276,767.84 = 522,383,581.12/x
  3. Step 3: Cross multiply
    772,734,612.80x = 1,066,276,767.84 × 522,383,581.12
  4. Step 4: Simplify right side
    772,734,612.80x = 557,005,476,449,318,080
  5. Step 5: Solve for x
    x = 557,005,476,449,318,080/772,734,612.80
  6. Step 6: Final answer
    x = 720,823,769.54

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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.