Home / 748,125,277.60-1,032,444,767.32-418,100,406.88

Finding the Fourth Proportional to 748,125,277.60, 1,032,444,767.32 and 418,100,406.88

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Solution

The fourth proportional to 748,125,277.60, 1,032,444,767.32 and 418,100,406.88 is: 576,996,380.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,125,277.60 : 1,032,444,767.32 = 418,100,406.88 : x
  2. Step 2: Convert to fraction form
    748,125,277.60/1,032,444,767.32 = 418,100,406.88/x
  3. Step 3: Cross multiply
    748,125,277.60x = 1,032,444,767.32 × 418,100,406.88
  4. Step 4: Simplify right side
    748,125,277.60x = 431,665,577,297,618,944
  5. Step 5: Solve for x
    x = 431,665,577,297,618,944/748,125,277.60
  6. Step 6: Final answer
    x = 576,996,380.45

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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.