Home / 856,234,435.90-1,284,354,048.12-266,110,966.77

Finding the Fourth Proportional to 856,234,435.90, 1,284,354,048.12 and 266,110,966.77

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Solution

The fourth proportional to 856,234,435.90, 1,284,354,048.12 and 266,110,966.77 is: 399,167,194.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,234,435.90 : 1,284,354,048.12 = 266,110,966.77 : x
  2. Step 2: Convert to fraction form
    856,234,435.90/1,284,354,048.12 = 266,110,966.77/x
  3. Step 3: Cross multiply
    856,234,435.90x = 1,284,354,048.12 × 266,110,966.77
  4. Step 4: Simplify right side
    856,234,435.90x = 341,780,697,420,176,256
  5. Step 5: Solve for x
    x = 341,780,697,420,176,256/856,234,435.90
  6. Step 6: Final answer
    x = 399,167,194.28

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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.