Home / 638,904,888-958,463,226.54-224,274,127.32

Finding the Fourth Proportional to 638,904,888, 958,463,226.54 and 224,274,127.32

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Solution

The fourth proportional to 638,904,888, 958,463,226.54 and 224,274,127.32 is: 336,448,363.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,904,888 : 958,463,226.54 = 224,274,127.32 : x
  2. Step 2: Convert to fraction form
    638,904,888/958,463,226.54 = 224,274,127.32/x
  3. Step 3: Cross multiply
    638,904,888x = 958,463,226.54 × 224,274,127.32
  4. Step 4: Simplify right side
    638,904,888x = 214,958,503,700,569,952
  5. Step 5: Solve for x
    x = 214,958,503,700,569,952/638,904,888
  6. Step 6: Final answer
    x = 336,448,363.03

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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.