Home / 12,181,865,888.17-16,816,483,288.02-7,672,372,293.34

Finding the Fourth Proportional to 12,181,865,888.17, 16,816,483,288.02 and 7,672,372,293.34

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Solution

The fourth proportional to 12,181,865,888.17, 16,816,483,288.02 and 7,672,372,293.34 is: 10,591,343,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,865,888.17 : 16,816,483,288.02 = 7,672,372,293.34 : x
  2. Step 2: Convert to fraction form
    12,181,865,888.17/16,816,483,288.02 = 7,672,372,293.34/x
  3. Step 3: Cross multiply
    12,181,865,888.17x = 16,816,483,288.02 × 7,672,372,293.34
  4. Step 4: Simplify right side
    12,181,865,888.17x = 129,022,320,450,419,802,112
  5. Step 5: Solve for x
    x = 129,022,320,450,419,802,112/12,181,865,888.17
  6. Step 6: Final answer
    x = 10,591,343,036.84

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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.