Home / 13,312,786,461-18,372,222,815.40-7,372,338,963

Finding the Fourth Proportional to 13,312,786,461, 18,372,222,815.40 and 7,372,338,963

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Solution

The fourth proportional to 13,312,786,461, 18,372,222,815.40 and 7,372,338,963 is: 10,174,147,575.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,312,786,461 : 18,372,222,815.40 = 7,372,338,963 : x
  2. Step 2: Convert to fraction form
    13,312,786,461/18,372,222,815.40 = 7,372,338,963/x
  3. Step 3: Cross multiply
    13,312,786,461x = 18,372,222,815.40 × 7,372,338,963
  4. Step 4: Simplify right side
    13,312,786,461x = 135,446,254,098,890,981,376
  5. Step 5: Solve for x
    x = 135,446,254,098,890,981,376/13,312,786,461
  6. Step 6: Final answer
    x = 10,174,147,575.77

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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.