Home / 522,082,875,061.90-720,474,402,231.60-290,591,426,406.93

Finding the Fourth Proportional to 522,082,875,061.90, 720,474,402,231.60 and 290,591,426,406.93

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Solution

The fourth proportional to 522,082,875,061.90, 720,474,402,231.60 and 290,591,426,406.93 is: 401,016,187,725.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,061.90 : 720,474,402,231.60 = 290,591,426,406.93 : x
  2. Step 2: Convert to fraction form
    522,082,875,061.90/720,474,402,231.60 = 290,591,426,406.93/x
  3. Step 3: Cross multiply
    522,082,875,061.90x = 720,474,402,231.60 × 290,591,426,406.93
  4. Step 4: Simplify right side
    522,082,875,061.90x = 209,363,684,234,160,848,764,928
  5. Step 5: Solve for x
    x = 209,363,684,234,160,848,764,928/522,082,875,061.90
  6. Step 6: Final answer
    x = 401,016,187,725.63

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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.