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Finding the Fourth Proportional to 535,696,710.72, 803,648,546.76 and 203,677,905.31

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Solution

The fourth proportional to 535,696,710.72, 803,648,546.76 and 203,677,905.31 is: 305,556,202.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,696,710.72 : 803,648,546.76 = 203,677,905.31 : x
  2. Step 2: Convert to fraction form
    535,696,710.72/803,648,546.76 = 203,677,905.31/x
  3. Step 3: Cross multiply
    535,696,710.72x = 803,648,546.76 × 203,677,905.31
  4. Step 4: Simplify right side
    535,696,710.72x = 163,685,452,610,893,920
  5. Step 5: Solve for x
    x = 163,685,452,610,893,920/535,696,710.72
  6. Step 6: Final answer
    x = 305,556,202.49

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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.