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Finding the Fourth Proportional to 536,672,703.78, 805,026,991.88 and 148,463,024.90

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Solution

The fourth proportional to 536,672,703.78, 805,026,991.88 and 148,463,024.90 is: 222,699,499.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,672,703.78 : 805,026,991.88 = 148,463,024.90 : x
  2. Step 2: Convert to fraction form
    536,672,703.78/805,026,991.88 = 148,463,024.90/x
  3. Step 3: Cross multiply
    536,672,703.78x = 805,026,991.88 × 148,463,024.90
  4. Step 4: Simplify right side
    536,672,703.78x = 119,516,742,336,627,408
  5. Step 5: Solve for x
    x = 119,516,742,336,627,408/536,672,703.78
  6. Step 6: Final answer
    x = 222,699,499.15

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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.