Home / 13,519,250,130.51-18,654,098,337.69-7,801,448,620.20

Finding the Fourth Proportional to 13,519,250,130.51, 18,654,098,337.69 and 7,801,448,620.20

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Solution

The fourth proportional to 13,519,250,130.51, 18,654,098,337.69 and 7,801,448,620.20 is: 10,764,575,574.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,519,250,130.51 : 18,654,098,337.69 = 7,801,448,620.20 : x
  2. Step 2: Convert to fraction form
    13,519,250,130.51/18,654,098,337.69 = 7,801,448,620.20/x
  3. Step 3: Cross multiply
    13,519,250,130.51x = 18,654,098,337.69 × 7,801,448,620.20
  4. Step 4: Simplify right side
    13,519,250,130.51x = 145,528,989,737,646,751,744
  5. Step 5: Solve for x
    x = 145,528,989,737,646,751,744/13,519,250,130.51
  6. Step 6: Final answer
    x = 10,764,575,574.29

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Double scale
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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.