Home / 1,049,076,094.18-1,448,378,368.91-667,813,251.53

Finding the Fourth Proportional to 1,049,076,094.18, 1,448,378,368.91 and 667,813,251.53

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Solution

The fourth proportional to 1,049,076,094.18, 1,448,378,368.91 and 667,813,251.53 is: 921,998,197.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,049,076,094.18 : 1,448,378,368.91 = 667,813,251.53 : x
  2. Step 2: Convert to fraction form
    1,049,076,094.18/1,448,378,368.91 = 667,813,251.53/x
  3. Step 3: Cross multiply
    1,049,076,094.18x = 1,448,378,368.91 × 667,813,251.53
  4. Step 4: Simplify right side
    1,049,076,094.18x = 967,246,267,987,505,024
  5. Step 5: Solve for x
    x = 967,246,267,987,505,024/1,049,076,094.18
  6. Step 6: Final answer
    x = 921,998,197.61

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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.