Home / 12,979,148,969-17,911,980,770.20-7,263,385,059.26

Finding the Fourth Proportional to 12,979,148,969, 17,911,980,770.20 and 7,263,385,059.26

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Solution

The fourth proportional to 12,979,148,969, 17,911,980,770.20 and 7,263,385,059.26 is: 10,023,894,002.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,979,148,969 : 17,911,980,770.20 = 7,263,385,059.26 : x
  2. Step 2: Convert to fraction form
    12,979,148,969/17,911,980,770.20 = 7,263,385,059.26/x
  3. Step 3: Cross multiply
    12,979,148,969x = 17,911,980,770.20 × 7,263,385,059.26
  4. Step 4: Simplify right side
    12,979,148,969x = 130,101,613,508,023,123,968
  5. Step 5: Solve for x
    x = 130,101,613,508,023,123,968/12,979,148,969
  6. Step 6: Final answer
    x = 10,023,894,002.51

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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.