Home / 12,181,865,884.68-16,816,483,283.20-7,672,372,289.84

Finding the Fourth Proportional to 12,181,865,884.68, 16,816,483,283.20 and 7,672,372,289.84

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Solution

The fourth proportional to 12,181,865,884.68, 16,816,483,283.20 and 7,672,372,289.84 is: 10,591,343,032.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,865,884.68 : 16,816,483,283.20 = 7,672,372,289.84 : x
  2. Step 2: Convert to fraction form
    12,181,865,884.68/16,816,483,283.20 = 7,672,372,289.84/x
  3. Step 3: Cross multiply
    12,181,865,884.68x = 16,816,483,283.20 × 7,672,372,289.84
  4. Step 4: Simplify right side
    12,181,865,884.68x = 129,022,320,354,581,266,432
  5. Step 5: Solve for x
    x = 129,022,320,354,581,266,432/12,181,865,884.68
  6. Step 6: Final answer
    x = 10,591,343,032.01

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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.