Home / 51,724,008,002.40-77,586,012,003.60-51,234,231,976.80

Finding the Fourth Proportional to 51,724,008,002.40, 77,586,012,003.60 and 51,234,231,976.80

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Solution

The fourth proportional to 51,724,008,002.40, 77,586,012,003.60 and 51,234,231,976.80 is: 76,851,347,965.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,724,008,002.40 : 77,586,012,003.60 = 51,234,231,976.80 : x
  2. Step 2: Convert to fraction form
    51,724,008,002.40/77,586,012,003.60 = 51,234,231,976.80/x
  3. Step 3: Cross multiply
    51,724,008,002.40x = 77,586,012,003.60 × 51,234,231,976.80
  4. Step 4: Simplify right side
    51,724,008,002.40x = 3,975,059,737,147,232,223,232
  5. Step 5: Solve for x
    x = 3,975,059,737,147,232,223,232/51,724,008,002.40
  6. Step 6: Final answer
    x = 76,851,347,965.20

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Double scale
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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.