Home / 20,149,574,044.28-27,815,329,662.93-13,016,466,644.36

Finding the Fourth Proportional to 20,149,574,044.28, 27,815,329,662.93 and 13,016,466,644.36

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Solution

The fourth proportional to 20,149,574,044.28, 27,815,329,662.93 and 13,016,466,644.36 is: 17,968,484,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,149,574,044.28 : 27,815,329,662.93 = 13,016,466,644.36 : x
  2. Step 2: Convert to fraction form
    20,149,574,044.28/27,815,329,662.93 = 13,016,466,644.36/x
  3. Step 3: Cross multiply
    20,149,574,044.28x = 27,815,329,662.93 × 13,016,466,644.36
  4. Step 4: Simplify right side
    20,149,574,044.28x = 362,057,310,759,266,549,760
  5. Step 5: Solve for x
    x = 362,057,310,759,266,549,760/20,149,574,044.28
  6. Step 6: Final answer
    x = 17,968,484,592.46

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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.