Home / 39,986,696,697.02-55,181,628,122.87-21,921,825,046.11

Finding the Fourth Proportional to 39,986,696,697.02, 55,181,628,122.87 and 21,921,825,046.11

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Solution

The fourth proportional to 39,986,696,697.02, 55,181,628,122.87 and 21,921,825,046.11 is: 30,252,111,261.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,986,696,697.02 : 55,181,628,122.87 = 21,921,825,046.11 : x
  2. Step 2: Convert to fraction form
    39,986,696,697.02/55,181,628,122.87 = 21,921,825,046.11/x
  3. Step 3: Cross multiply
    39,986,696,697.02x = 55,181,628,122.87 × 21,921,825,046.11
  4. Step 4: Simplify right side
    39,986,696,697.02x = 1,209,681,997,468,949,282,816
  5. Step 5: Solve for x
    x = 1,209,681,997,468,949,282,816/39,986,696,697.02
  6. Step 6: Final answer
    x = 30,252,111,261.77

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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.