Home / 1,005,667,278.60-1,387,941,662.40-609,178,634.76

Finding the Fourth Proportional to 1,005,667,278.60, 1,387,941,662.40 and 609,178,634.76

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Solution

The fourth proportional to 1,005,667,278.60, 1,387,941,662.40 and 609,178,634.76 is: 840,739,700.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,667,278.60 : 1,387,941,662.40 = 609,178,634.76 : x
  2. Step 2: Convert to fraction form
    1,005,667,278.60/1,387,941,662.40 = 609,178,634.76/x
  3. Step 3: Cross multiply
    1,005,667,278.60x = 1,387,941,662.40 × 609,178,634.76
  4. Step 4: Simplify right side
    1,005,667,278.60x = 845,504,407,027,356,928
  5. Step 5: Solve for x
    x = 845,504,407,027,356,928/1,005,667,278.60
  6. Step 6: Final answer
    x = 840,739,700.91

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Double scale
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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.