Home / 483,326,015.10-724,989,022.65-138,290,898.30

Finding the Fourth Proportional to 483,326,015.10, 724,989,022.65 and 138,290,898.30

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Solution

The fourth proportional to 483,326,015.10, 724,989,022.65 and 138,290,898.30 is: 207,436,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,326,015.10 : 724,989,022.65 = 138,290,898.30 : x
  2. Step 2: Convert to fraction form
    483,326,015.10/724,989,022.65 = 138,290,898.30/x
  3. Step 3: Cross multiply
    483,326,015.10x = 724,989,022.65 × 138,290,898.30
  4. Step 4: Simplify right side
    483,326,015.10x = 100,259,383,199,907,552
  5. Step 5: Solve for x
    x = 100,259,383,199,907,552/483,326,015.10
  6. Step 6: Final answer
    x = 207,436,347.45

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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.