Home / 2,820,025,849.76-3,891,723,271.44-1,549,843,785.44

Finding the Fourth Proportional to 2,820,025,849.76, 3,891,723,271.44 and 1,549,843,785.44

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Solution

The fourth proportional to 2,820,025,849.76, 3,891,723,271.44 and 1,549,843,785.44 is: 2,138,832,566.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820,025,849.76 : 3,891,723,271.44 = 1,549,843,785.44 : x
  2. Step 2: Convert to fraction form
    2,820,025,849.76/3,891,723,271.44 = 1,549,843,785.44/x
  3. Step 3: Cross multiply
    2,820,025,849.76x = 3,891,723,271.44 × 1,549,843,785.44
  4. Step 4: Simplify right side
    2,820,025,849.76x = 6,031,563,126,893,510,656
  5. Step 5: Solve for x
    x = 6,031,563,126,893,510,656/2,820,025,849.76
  6. Step 6: Final answer
    x = 2,138,832,566.87

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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.