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Finding the Fourth Proportional to 580,959,597.79, 801,741,047.49 and 316,658,709.61

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Solution

The fourth proportional to 580,959,597.79, 801,741,047.49 and 316,658,709.61 is: 436,998,177.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,959,597.79 : 801,741,047.49 = 316,658,709.61 : x
  2. Step 2: Convert to fraction form
    580,959,597.79/801,741,047.49 = 316,658,709.61/x
  3. Step 3: Cross multiply
    580,959,597.79x = 801,741,047.49 × 316,658,709.61
  4. Step 4: Simplify right side
    580,959,597.79x = 253,878,285,539,553,152
  5. Step 5: Solve for x
    x = 253,878,285,539,553,152/580,959,597.79
  6. Step 6: Final answer
    x = 436,998,177.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.