Home / 522,082,875,064.55-720,474,402,235.25-290,591,426,409.56

Finding the Fourth Proportional to 522,082,875,064.55, 720,474,402,235.25 and 290,591,426,409.56

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Solution

The fourth proportional to 522,082,875,064.55, 720,474,402,235.25 and 290,591,426,409.56 is: 401,016,187,729.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,064.55 : 720,474,402,235.25 = 290,591,426,409.56 : x
  2. Step 2: Convert to fraction form
    522,082,875,064.55/720,474,402,235.25 = 290,591,426,409.56/x
  3. Step 3: Cross multiply
    522,082,875,064.55x = 720,474,402,235.25 × 290,591,426,409.56
  4. Step 4: Simplify right side
    522,082,875,064.55x = 209,363,684,237,116,390,244,352
  5. Step 5: Solve for x
    x = 209,363,684,237,116,390,244,352/522,082,875,064.55
  6. Step 6: Final answer
    x = 401,016,187,729.26

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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.