Home / 876,898,880.75-1,314,955,184.39-522,540,288.11

Finding the Fourth Proportional to 876,898,880.75, 1,314,955,184.39 and 522,540,288.11

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Solution

The fourth proportional to 876,898,880.75, 1,314,955,184.39 and 522,540,288.11 is: 783,576,163.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,898,880.75 : 1,314,955,184.39 = 522,540,288.11 : x
  2. Step 2: Convert to fraction form
    876,898,880.75/1,314,955,184.39 = 522,540,288.11/x
  3. Step 3: Cross multiply
    876,898,880.75x = 1,314,955,184.39 × 522,540,288.11
  4. Step 4: Simplify right side
    876,898,880.75x = 687,117,060,900,276,096
  5. Step 5: Solve for x
    x = 687,117,060,900,276,096/876,898,880.75
  6. Step 6: Final answer
    x = 783,576,163.67

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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.