Home / 39,903,937,317.60-55,067,579,377.02-21,592,995,087.21

Finding the Fourth Proportional to 39,903,937,317.60, 55,067,579,377.02 and 21,592,995,087.21

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Solution

The fourth proportional to 39,903,937,317.60, 55,067,579,377.02 and 21,592,995,087.21 is: 29,798,412,158.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,903,937,317.60 : 55,067,579,377.02 = 21,592,995,087.21 : x
  2. Step 2: Convert to fraction form
    39,903,937,317.60/55,067,579,377.02 = 21,592,995,087.21/x
  3. Step 3: Cross multiply
    39,903,937,317.60x = 55,067,579,377.02 × 21,592,995,087.21
  4. Step 4: Simplify right side
    39,903,937,317.60x = 1,189,073,970,952,539,471,872
  5. Step 5: Solve for x
    x = 1,189,073,970,952,539,471,872/39,903,937,317.60
  6. Step 6: Final answer
    x = 29,798,412,158.89

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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.