Home / 1,426,375,345.47-1,968,400,292.38-791,295,853.73

Finding the Fourth Proportional to 1,426,375,345.47, 1,968,400,292.38 and 791,295,853.73

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Solution

The fourth proportional to 1,426,375,345.47, 1,968,400,292.38 and 791,295,853.73 is: 1,091,989,562.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,426,375,345.47 : 1,968,400,292.38 = 791,295,853.73 : x
  2. Step 2: Convert to fraction form
    1,426,375,345.47/1,968,400,292.38 = 791,295,853.73/x
  3. Step 3: Cross multiply
    1,426,375,345.47x = 1,968,400,292.38 × 791,295,853.73
  4. Step 4: Simplify right side
    1,426,375,345.47x = 1,557,586,989,840,475,648
  5. Step 5: Solve for x
    x = 1,557,586,989,840,475,648/1,426,375,345.47
  6. Step 6: Final answer
    x = 1,091,989,562.77

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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.