Home / 1,082,715,265.80-1,624,072,898.70-392,645,032.20

Finding the Fourth Proportional to 1,082,715,265.80, 1,624,072,898.70 and 392,645,032.20

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Solution

The fourth proportional to 1,082,715,265.80, 1,624,072,898.70 and 392,645,032.20 is: 588,967,548.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,715,265.80 : 1,624,072,898.70 = 392,645,032.20 : x
  2. Step 2: Convert to fraction form
    1,082,715,265.80/1,624,072,898.70 = 392,645,032.20/x
  3. Step 3: Cross multiply
    1,082,715,265.80x = 1,624,072,898.70 × 392,645,032.20
  4. Step 4: Simplify right side
    1,082,715,265.80x = 637,684,155,605,208,832
  5. Step 5: Solve for x
    x = 637,684,155,605,208,832/1,082,715,265.80
  6. Step 6: Final answer
    x = 588,967,548.30

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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.