Home / 655,841,864.70-983,621,079.45-287,376,104.70

Finding the Fourth Proportional to 655,841,864.70, 983,621,079.45 and 287,376,104.70

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Solution

The fourth proportional to 655,841,864.70, 983,621,079.45 and 287,376,104.70 is: 431,002,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,841,864.70 : 983,621,079.45 = 287,376,104.70 : x
  2. Step 2: Convert to fraction form
    655,841,864.70/983,621,079.45 = 287,376,104.70/x
  3. Step 3: Cross multiply
    655,841,864.70x = 983,621,079.45 × 287,376,104.70
  4. Step 4: Simplify right side
    655,841,864.70x = 282,669,194,313,150,208
  5. Step 5: Solve for x
    x = 282,669,194,313,150,208/655,841,864.70
  6. Step 6: Final answer
    x = 431,002,059.38

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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.