Home / 617,169,707,282.05-851,502,048,868.15-356,652,507,189.97

Finding the Fourth Proportional to 617,169,707,282.05, 851,502,048,868.15 and 356,652,507,189.97

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Solution

The fourth proportional to 617,169,707,282.05, 851,502,048,868.15 and 356,652,507,189.97 is: 492,069,421,138.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,169,707,282.05 : 851,502,048,868.15 = 356,652,507,189.97 : x
  2. Step 2: Convert to fraction form
    617,169,707,282.05/851,502,048,868.15 = 356,652,507,189.97/x
  3. Step 3: Cross multiply
    617,169,707,282.05x = 851,502,048,868.15 × 356,652,507,189.97
  4. Step 4: Simplify right side
    617,169,707,282.05x = 303,690,340,606,222,041,874,432
  5. Step 5: Solve for x
    x = 303,690,340,606,222,041,874,432/617,169,707,282.05
  6. Step 6: Final answer
    x = 492,069,421,138.06

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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.