Home / 667,147,048.20-920,661,337.40-365,731,824.39

Finding the Fourth Proportional to 667,147,048.20, 920,661,337.40 and 365,731,824.39

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Solution

The fourth proportional to 667,147,048.20, 920,661,337.40 and 365,731,824.39 is: 504,709,046.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,147,048.20 : 920,661,337.40 = 365,731,824.39 : x
  2. Step 2: Convert to fraction form
    667,147,048.20/920,661,337.40 = 365,731,824.39/x
  3. Step 3: Cross multiply
    667,147,048.20x = 920,661,337.40 × 365,731,824.39
  4. Step 4: Simplify right side
    667,147,048.20x = 336,715,150,570,810,688
  5. Step 5: Solve for x
    x = 336,715,150,570,810,688/667,147,048.20
  6. Step 6: Final answer
    x = 504,709,046.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.