Home / 13,574,149,836.48-18,732,033,169.56-7,858,675,289.52

Finding the Fourth Proportional to 13,574,149,836.48, 18,732,033,169.56 and 7,858,675,289.52

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Solution

The fourth proportional to 13,574,149,836.48, 18,732,033,169.56 and 7,858,675,289.52 is: 10,844,801,918.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,574,149,836.48 : 18,732,033,169.56 = 7,858,675,289.52 : x
  2. Step 2: Convert to fraction form
    13,574,149,836.48/18,732,033,169.56 = 7,858,675,289.52/x
  3. Step 3: Cross multiply
    13,574,149,836.48x = 18,732,033,169.56 × 7,858,675,289.52
  4. Step 4: Simplify right side
    13,574,149,836.48x = 147,208,966,192,090,202,112
  5. Step 5: Solve for x
    x = 147,208,966,192,090,202,112/13,574,149,836.48
  6. Step 6: Final answer
    x = 10,844,801,918.75

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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.