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Finding the Fourth Proportional to 655,458,231.84, 982,959,666.48 and 364,768,956.96

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Solution

The fourth proportional to 655,458,231.84, 982,959,666.48 and 364,768,956.96 is: 547,026,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,458,231.84 : 982,959,666.48 = 364,768,956.96 : x
  2. Step 2: Convert to fraction form
    655,458,231.84/982,959,666.48 = 364,768,956.96/x
  3. Step 3: Cross multiply
    655,458,231.84x = 982,959,666.48 × 364,768,956.96
  4. Step 4: Simplify right side
    655,458,231.84x = 358,553,172,275,659,072
  5. Step 5: Solve for x
    x = 358,553,172,275,659,072/655,458,231.84
  6. Step 6: Final answer
    x = 547,026,728.57

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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.