Home / 7,038,418,412.80-10,554,940,233.60-2,129,460,716.80

Finding the Fourth Proportional to 7,038,418,412.80, 10,554,940,233.60 and 2,129,460,716.80

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Solution

The fourth proportional to 7,038,418,412.80, 10,554,940,233.60 and 2,129,460,716.80 is: 3,193,378,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,038,418,412.80 : 10,554,940,233.60 = 2,129,460,716.80 : x
  2. Step 2: Convert to fraction form
    7,038,418,412.80/10,554,940,233.60 = 2,129,460,716.80/x
  3. Step 3: Cross multiply
    7,038,418,412.80x = 10,554,940,233.60 × 2,129,460,716.80
  4. Step 4: Simplify right side
    7,038,418,412.80x = 22,476,330,595,623,014,400
  5. Step 5: Solve for x
    x = 22,476,330,595,623,014,400/7,038,418,412.80
  6. Step 6: Final answer
    x = 3,193,378,011.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.