Home / 15,669,572,519.40-21,624,011,431.20-8,532,984,190.92

Finding the Fourth Proportional to 15,669,572,519.40, 21,624,011,431.20 and 8,532,984,190.92

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Solution

The fourth proportional to 15,669,572,519.40, 21,624,011,431.20 and 8,532,984,190.92 is: 11,775,518,921.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,669,572,519.40 : 21,624,011,431.20 = 8,532,984,190.92 : x
  2. Step 2: Convert to fraction form
    15,669,572,519.40/21,624,011,431.20 = 8,532,984,190.92/x
  3. Step 3: Cross multiply
    15,669,572,519.40x = 21,624,011,431.20 × 8,532,984,190.92
  4. Step 4: Simplify right side
    15,669,572,519.40x = 184,517,347,686,702,972,928
  5. Step 5: Solve for x
    x = 184,517,347,686,702,972,928/15,669,572,519.40
  6. Step 6: Final answer
    x = 11,775,518,921.03

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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.