Home / 522,082,875,069.60-720,474,402,242.20-290,591,426,414.61

Finding the Fourth Proportional to 522,082,875,069.60, 720,474,402,242.20 and 290,591,426,414.61

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Solution

The fourth proportional to 522,082,875,069.60, 720,474,402,242.20 and 290,591,426,414.61 is: 401,016,187,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,069.60 : 720,474,402,242.20 = 290,591,426,414.61 : x
  2. Step 2: Convert to fraction form
    522,082,875,069.60/720,474,402,242.20 = 290,591,426,414.61/x
  3. Step 3: Cross multiply
    522,082,875,069.60x = 720,474,402,242.20 × 290,591,426,414.61
  4. Step 4: Simplify right side
    522,082,875,069.60x = 209,363,684,242,774,372,122,624
  5. Step 5: Solve for x
    x = 209,363,684,242,774,372,122,624/522,082,875,069.60
  6. Step 6: Final answer
    x = 401,016,187,736.22

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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.