Home / 13,312,789,604.52-18,372,227,153.44-7,372,342,106.52

Finding the Fourth Proportional to 13,312,789,604.52, 18,372,227,153.44 and 7,372,342,106.52

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Solution

The fourth proportional to 13,312,789,604.52, 18,372,227,153.44 and 7,372,342,106.52 is: 10,174,151,913.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,789,604.52 : 18,372,227,153.44 = 7,372,342,106.52 : x
  2. Step 2: Convert to fraction form
    13,312,789,604.52/18,372,227,153.44 = 7,372,342,106.52/x
  3. Step 3: Cross multiply
    13,312,789,604.52x = 18,372,227,153.44 × 7,372,342,106.52
  4. Step 4: Simplify right side
    13,312,789,604.52x = 135,446,343,833,855,787,008
  5. Step 5: Solve for x
    x = 135,446,343,833,855,787,008/13,312,789,604.52
  6. Step 6: Final answer
    x = 10,174,151,913.88

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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.