Home / 683,318,907.28-1,026,613,533.04-438,155,872

Finding the Fourth Proportional to 683,318,907.28, 1,026,613,533.04 and 438,155,872

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Solution

The fourth proportional to 683,318,907.28, 1,026,613,533.04 and 438,155,872 is: 658,282,308.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,318,907.28 : 1,026,613,533.04 = 438,155,872 : x
  2. Step 2: Convert to fraction form
    683,318,907.28/1,026,613,533.04 = 438,155,872/x
  3. Step 3: Cross multiply
    683,318,907.28x = 1,026,613,533.04 × 438,155,872
  4. Step 4: Simplify right side
    683,318,907.28x = 449,816,747,776,142,016
  5. Step 5: Solve for x
    x = 449,816,747,776,142,016/683,318,907.28
  6. Step 6: Final answer
    x = 658,282,308.57

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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.