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Finding the Fourth Proportional to 557,605,954.80, 836,298,707.28 and 529,953,176.88

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Solution

The fourth proportional to 557,605,954.80, 836,298,707.28 and 529,953,176.88 is: 794,825,006.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,605,954.80 : 836,298,707.28 = 529,953,176.88 : x
  2. Step 2: Convert to fraction form
    557,605,954.80/836,298,707.28 = 529,953,176.88/x
  3. Step 3: Cross multiply
    557,605,954.80x = 836,298,707.28 × 529,953,176.88
  4. Step 4: Simplify right side
    557,605,954.80x = 443,199,156,743,673,152
  5. Step 5: Solve for x
    x = 443,199,156,743,673,152/557,605,954.80
  6. Step 6: Final answer
    x = 794,825,006.67

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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.