Home / 2,820,025,850.76-3,891,723,272.82-1,549,843,786.44

Finding the Fourth Proportional to 2,820,025,850.76, 3,891,723,272.82 and 1,549,843,786.44

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Solution

The fourth proportional to 2,820,025,850.76, 3,891,723,272.82 and 1,549,843,786.44 is: 2,138,832,568.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,025,850.76 : 3,891,723,272.82 = 1,549,843,786.44 : x
  2. Step 2: Convert to fraction form
    2,820,025,850.76/3,891,723,272.82 = 1,549,843,786.44/x
  3. Step 3: Cross multiply
    2,820,025,850.76x = 3,891,723,272.82 × 1,549,843,786.44
  4. Step 4: Simplify right side
    2,820,025,850.76x = 6,031,563,132,924,018,688
  5. Step 5: Solve for x
    x = 6,031,563,132,924,018,688/2,820,025,850.76
  6. Step 6: Final answer
    x = 2,138,832,568.25

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Double scale
Find fourth proportional to 2,820,025,851.76, 3,891,723,274.20 and 1,549,843,787.44
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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.