Home / 721,352,513.84-1,082,728,464.03-348,123,057.26

Finding the Fourth Proportional to 721,352,513.84, 1,082,728,464.03 and 348,123,057.26

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Solution

The fourth proportional to 721,352,513.84, 1,082,728,464.03 and 348,123,057.26 is: 522,522,256.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    721,352,513.84 : 1,082,728,464.03 = 348,123,057.26 : x
  2. Step 2: Convert to fraction form
    721,352,513.84/1,082,728,464.03 = 348,123,057.26/x
  3. Step 3: Cross multiply
    721,352,513.84x = 1,082,728,464.03 × 348,123,057.26
  4. Step 4: Simplify right side
    721,352,513.84x = 376,922,743,075,133,888
  5. Step 5: Solve for x
    x = 376,922,743,075,133,888/721,352,513.84
  6. Step 6: Final answer
    x = 522,522,256.24

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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.