Home / 743,041,250.61-1,114,562,072.76-218,410,374.21

Finding the Fourth Proportional to 743,041,250.61, 1,114,562,072.76 and 218,410,374.21

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Solution

The fourth proportional to 743,041,250.61, 1,114,562,072.76 and 218,410,374.21 is: 327,615,619.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,041,250.61 : 1,114,562,072.76 = 218,410,374.21 : x
  2. Step 2: Convert to fraction form
    743,041,250.61/1,114,562,072.76 = 218,410,374.21/x
  3. Step 3: Cross multiply
    743,041,250.61x = 1,114,562,072.76 × 218,410,374.21
  4. Step 4: Simplify right side
    743,041,250.61x = 243,431,919,391,784,864
  5. Step 5: Solve for x
    x = 243,431,919,391,784,864/743,041,250.61
  6. Step 6: Final answer
    x = 327,615,619.18

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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.