Home / 274,833,509.16-379,452,874.12-211,140,408.26

Finding the Fourth Proportional to 274,833,509.16, 379,452,874.12 and 211,140,408.26

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Solution

The fourth proportional to 274,833,509.16, 379,452,874.12 and 211,140,408.26 is: 291,514,069.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,833,509.16 : 379,452,874.12 = 211,140,408.26 : x
  2. Step 2: Convert to fraction form
    274,833,509.16/379,452,874.12 = 211,140,408.26/x
  3. Step 3: Cross multiply
    274,833,509.16x = 379,452,874.12 × 211,140,408.26
  4. Step 4: Simplify right side
    274,833,509.16x = 80,117,834,757,127,184
  5. Step 5: Solve for x
    x = 80,117,834,757,127,184/274,833,509.16
  6. Step 6: Final answer
    x = 291,514,069.74

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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.