Home / 377,979,269.64-521,613,621.48-219,303,872.94

Finding the Fourth Proportional to 377,979,269.64, 521,613,621.48 and 219,303,872.94

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Solution

The fourth proportional to 377,979,269.64, 521,613,621.48 and 219,303,872.94 is: 302,640,638.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,979,269.64 : 521,613,621.48 = 219,303,872.94 : x
  2. Step 2: Convert to fraction form
    377,979,269.64/521,613,621.48 = 219,303,872.94/x
  3. Step 3: Cross multiply
    377,979,269.64x = 521,613,621.48 × 219,303,872.94
  4. Step 4: Simplify right side
    377,979,269.64x = 114,391,887,368,823,184
  5. Step 5: Solve for x
    x = 114,391,887,368,823,184/377,979,269.64
  6. Step 6: Final answer
    x = 302,640,638.14

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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.