Home / 7,222,349,939.02-9,966,923,716.28-4,007,318,142.13

Finding the Fourth Proportional to 7,222,349,939.02, 9,966,923,716.28 and 4,007,318,142.13

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Solution

The fourth proportional to 7,222,349,939.02, 9,966,923,716.28 and 4,007,318,142.13 is: 5,530,143,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222,349,939.02 : 9,966,923,716.28 = 4,007,318,142.13 : x
  2. Step 2: Convert to fraction form
    7,222,349,939.02/9,966,923,716.28 = 4,007,318,142.13/x
  3. Step 3: Cross multiply
    7,222,349,939.02x = 9,966,923,716.28 × 4,007,318,142.13
  4. Step 4: Simplify right side
    7,222,349,939.02x = 39,940,634,229,429,649,408
  5. Step 5: Solve for x
    x = 39,940,634,229,429,649,408/7,222,349,939.02
  6. Step 6: Final answer
    x = 5,530,143,868.22

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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.