Home / 2,136,662,015.53-2,948,757,159.33-1,344,387,115.51

Finding the Fourth Proportional to 2,136,662,015.53, 2,948,757,159.33 and 1,344,387,115.51

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Solution

The fourth proportional to 2,136,662,015.53, 2,948,757,159.33 and 1,344,387,115.51 is: 1,855,357,142.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,136,662,015.53 : 2,948,757,159.33 = 1,344,387,115.51 : x
  2. Step 2: Convert to fraction form
    2,136,662,015.53/2,948,757,159.33 = 1,344,387,115.51/x
  3. Step 3: Cross multiply
    2,136,662,015.53x = 2,948,757,159.33 × 1,344,387,115.51
  4. Step 4: Simplify right side
    2,136,662,015.53x = 3,964,271,131,771,120,128
  5. Step 5: Solve for x
    x = 3,964,271,131,771,120,128/2,136,662,015.53
  6. Step 6: Final answer
    x = 1,855,357,142.57

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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.