Home / 15,635,821,871.67-21,577,448,086.73-8,499,235,683.75

Finding the Fourth Proportional to 15,635,821,871.67, 21,577,448,086.73 and 8,499,235,683.75

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Solution

The fourth proportional to 15,635,821,871.67, 21,577,448,086.73 and 8,499,235,683.75 is: 11,728,952,801.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,635,821,871.67 : 21,577,448,086.73 = 8,499,235,683.75 : x
  2. Step 2: Convert to fraction form
    15,635,821,871.67/21,577,448,086.73 = 8,499,235,683.75/x
  3. Step 3: Cross multiply
    15,635,821,871.67x = 21,577,448,086.73 × 8,499,235,683.75
  4. Step 4: Simplify right side
    15,635,821,871.67x = 183,391,816,742,998,769,664
  5. Step 5: Solve for x
    x = 183,391,816,742,998,769,664/15,635,821,871.67
  6. Step 6: Final answer
    x = 11,728,952,801.34

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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.