Home / 20,368,571,771.30-28,109,554,668.45-11,336,908,348.26

Finding the Fourth Proportional to 20,368,571,771.30, 28,109,554,668.45 and 11,336,908,348.26

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Solution

The fourth proportional to 20,368,571,771.30, 28,109,554,668.45 and 11,336,908,348.26 is: 15,645,448,712.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,368,571,771.30 : 28,109,554,668.45 = 11,336,908,348.26 : x
  2. Step 2: Convert to fraction form
    20,368,571,771.30/28,109,554,668.45 = 11,336,908,348.26/x
  3. Step 3: Cross multiply
    20,368,571,771.30x = 28,109,554,668.45 × 11,336,908,348.26
  4. Step 4: Simplify right side
    20,368,571,771.30x = 318,675,444,986,621,657,088
  5. Step 5: Solve for x
    x = 318,675,444,986,621,657,088/20,368,571,771.30
  6. Step 6: Final answer
    x = 15,645,448,712.10

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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.