Home / 77,024,269,550.39-106,293,617,023.78-42,729,976,995.67

Finding the Fourth Proportional to 77,024,269,550.39, 106,293,617,023.78 and 42,729,976,995.67

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Solution

The fourth proportional to 77,024,269,550.39, 106,293,617,023.78 and 42,729,976,995.67 is: 58,967,437,623.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,024,269,550.39 : 106,293,617,023.78 = 42,729,976,995.67 : x
  2. Step 2: Convert to fraction form
    77,024,269,550.39/106,293,617,023.78 = 42,729,976,995.67/x
  3. Step 3: Cross multiply
    77,024,269,550.39x = 106,293,617,023.78 × 42,729,976,995.67
  4. Step 4: Simplify right side
    77,024,269,550.39x = 4,541,923,810,212,569,939,968
  5. Step 5: Solve for x
    x = 4,541,923,810,212,569,939,968/77,024,269,550.39
  6. Step 6: Final answer
    x = 58,967,437,623.55

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Double scale
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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.