Home / 611,790,606.80-917,685,076.28-284,086,922.96

Finding the Fourth Proportional to 611,790,606.80, 917,685,076.28 and 284,086,922.96

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Solution

The fourth proportional to 611,790,606.80, 917,685,076.28 and 284,086,922.96 is: 426,129,997.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,790,606.80 : 917,685,076.28 = 284,086,922.96 : x
  2. Step 2: Convert to fraction form
    611,790,606.80/917,685,076.28 = 284,086,922.96/x
  3. Step 3: Cross multiply
    611,790,606.80x = 917,685,076.28 × 284,086,922.96
  4. Step 4: Simplify right side
    611,790,606.80x = 260,702,329,566,698,048
  5. Step 5: Solve for x
    x = 260,702,329,566,698,048/611,790,606.80
  6. Step 6: Final answer
    x = 426,129,997.21

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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.