Home / 542,033,688.32-813,048,923.84-153,856,847.36

Finding the Fourth Proportional to 542,033,688.32, 813,048,923.84 and 153,856,847.36

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Solution

The fourth proportional to 542,033,688.32, 813,048,923.84 and 153,856,847.36 is: 230,784,814.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,033,688.32 : 813,048,923.84 = 153,856,847.36 : x
  2. Step 2: Convert to fraction form
    542,033,688.32/813,048,923.84 = 153,856,847.36/x
  3. Step 3: Cross multiply
    542,033,688.32x = 813,048,923.84 × 153,856,847.36
  4. Step 4: Simplify right side
    542,033,688.32x = 125,093,144,171,463,168
  5. Step 5: Solve for x
    x = 125,093,144,171,463,168/542,033,688.32
  6. Step 6: Final answer
    x = 230,784,814.43

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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.