Home / 522,082,875,063.80-720,474,402,234.18-290,591,426,408.79

Finding the Fourth Proportional to 522,082,875,063.80, 720,474,402,234.18 and 290,591,426,408.79

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Solution

The fourth proportional to 522,082,875,063.80, 720,474,402,234.18 and 290,591,426,408.79 is: 401,016,187,728.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,063.80 : 720,474,402,234.18 = 290,591,426,408.79 : x
  2. Step 2: Convert to fraction form
    522,082,875,063.80/720,474,402,234.18 = 290,591,426,408.79/x
  3. Step 3: Cross multiply
    522,082,875,063.80x = 720,474,402,234.18 × 290,591,426,408.79
  4. Step 4: Simplify right side
    522,082,875,063.80x = 209,363,684,236,250,685,898,752
  5. Step 5: Solve for x
    x = 209,363,684,236,250,685,898,752/522,082,875,063.80
  6. Step 6: Final answer
    x = 401,016,187,728.18

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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.