Home / 493,203,514.30-680,455,038.98-284,355,103.66

Finding the Fourth Proportional to 493,203,514.30, 680,455,038.98 and 284,355,103.66

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Solution

The fourth proportional to 493,203,514.30, 680,455,038.98 and 284,355,103.66 is: 392,314,445.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,203,514.30 : 680,455,038.98 = 284,355,103.66 : x
  2. Step 2: Convert to fraction form
    493,203,514.30/680,455,038.98 = 284,355,103.66/x
  3. Step 3: Cross multiply
    493,203,514.30x = 680,455,038.98 × 284,355,103.66
  4. Step 4: Simplify right side
    493,203,514.30x = 193,490,863,145,127,264
  5. Step 5: Solve for x
    x = 193,490,863,145,127,264/493,203,514.30
  6. Step 6: Final answer
    x = 392,314,445.33

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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.