Home / 919,937,314.80-1,379,905,972.20-552,605,295.60

Finding the Fourth Proportional to 919,937,314.80, 1,379,905,972.20 and 552,605,295.60

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Solution

The fourth proportional to 919,937,314.80, 1,379,905,972.20 and 552,605,295.60 is: 828,907,943.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,937,314.80 : 1,379,905,972.20 = 552,605,295.60 : x
  2. Step 2: Convert to fraction form
    919,937,314.80/1,379,905,972.20 = 552,605,295.60/x
  3. Step 3: Cross multiply
    919,937,314.80x = 1,379,905,972.20 × 552,605,295.60
  4. Step 4: Simplify right side
    919,937,314.80x = 762,543,347,667,786,496
  5. Step 5: Solve for x
    x = 762,543,347,667,786,496/919,937,314.80
  6. Step 6: Final answer
    x = 828,907,943.40

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Double scale
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Similar ratio
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1.5x scale

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.