Home / 3,539,638,052.70-5,309,457,079.05-919,227,140.70

Finding the Fourth Proportional to 3,539,638,052.70, 5,309,457,079.05 and 919,227,140.70

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Solution

The fourth proportional to 3,539,638,052.70, 5,309,457,079.05 and 919,227,140.70 is: 1,378,840,711.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,539,638,052.70 : 5,309,457,079.05 = 919,227,140.70 : x
  2. Step 2: Convert to fraction form
    3,539,638,052.70/5,309,457,079.05 = 919,227,140.70/x
  3. Step 3: Cross multiply
    3,539,638,052.70x = 5,309,457,079.05 × 919,227,140.70
  4. Step 4: Simplify right side
    3,539,638,052.70x = 4,880,597,049,444,505,600
  5. Step 5: Solve for x
    x = 4,880,597,049,444,505,600/3,539,638,052.70
  6. Step 6: Final answer
    x = 1,378,840,711.05

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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.