Home / 787,452,046.08-1,181,017,733.72-289,291,343.44

Finding the Fourth Proportional to 787,452,046.08, 1,181,017,733.72 and 289,291,343.44

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Solution

The fourth proportional to 787,452,046.08, 1,181,017,733.72 and 289,291,343.44 is: 433,878,111.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,452,046.08 : 1,181,017,733.72 = 289,291,343.44 : x
  2. Step 2: Convert to fraction form
    787,452,046.08/1,181,017,733.72 = 289,291,343.44/x
  3. Step 3: Cross multiply
    787,452,046.08x = 1,181,017,733.72 × 289,291,343.44
  4. Step 4: Simplify right side
    787,452,046.08x = 341,658,206,814,323,008
  5. Step 5: Solve for x
    x = 341,658,206,814,323,008/787,452,046.08
  6. Step 6: Final answer
    x = 433,878,111.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.