Home / 12,181,865,889.17-16,816,483,289.40-7,672,372,294.34

Finding the Fourth Proportional to 12,181,865,889.17, 16,816,483,289.40 and 7,672,372,294.34

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Solution

The fourth proportional to 12,181,865,889.17, 16,816,483,289.40 and 7,672,372,294.34 is: 10,591,343,038.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,181,865,889.17 : 16,816,483,289.40 = 7,672,372,294.34 : x
  2. Step 2: Convert to fraction form
    12,181,865,889.17/16,816,483,289.40 = 7,672,372,294.34/x
  3. Step 3: Cross multiply
    12,181,865,889.17x = 16,816,483,289.40 × 7,672,372,294.34
  4. Step 4: Simplify right side
    12,181,865,889.17x = 129,022,320,477,824,155,648
  5. Step 5: Solve for x
    x = 129,022,320,477,824,155,648/12,181,865,889.17
  6. Step 6: Final answer
    x = 10,591,343,038.22

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Double scale
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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.