Home / 856,234,434.90-1,284,354,046.62-266,110,965.77

Finding the Fourth Proportional to 856,234,434.90, 1,284,354,046.62 and 266,110,965.77

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Solution

The fourth proportional to 856,234,434.90, 1,284,354,046.62 and 266,110,965.77 is: 399,167,192.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,234,434.90 : 1,284,354,046.62 = 266,110,965.77 : x
  2. Step 2: Convert to fraction form
    856,234,434.90/1,284,354,046.62 = 266,110,965.77/x
  3. Step 3: Cross multiply
    856,234,434.90x = 1,284,354,046.62 × 266,110,965.77
  4. Step 4: Simplify right side
    856,234,434.90x = 341,780,695,730,154,176
  5. Step 5: Solve for x
    x = 341,780,695,730,154,176/856,234,434.90
  6. Step 6: Final answer
    x = 399,167,192.77

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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.