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Finding the Fourth Proportional to 655,829,939.57, 983,917,201.89 and 235,693,730.40

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Solution

The fourth proportional to 655,829,939.57, 983,917,201.89 and 235,693,730.40 is: 353,602,514.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,829,939.57 : 983,917,201.89 = 235,693,730.40 : x
  2. Step 2: Convert to fraction form
    655,829,939.57/983,917,201.89 = 235,693,730.40/x
  3. Step 3: Cross multiply
    655,829,939.57x = 983,917,201.89 × 235,693,730.40
  4. Step 4: Simplify right side
    655,829,939.57x = 231,903,115,715,724,256
  5. Step 5: Solve for x
    x = 231,903,115,715,724,256/655,829,939.57
  6. Step 6: Final answer
    x = 353,602,514.50

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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.