Home / 522,082,875,066.30-720,474,402,237.72-290,591,426,411.28

Finding the Fourth Proportional to 522,082,875,066.30, 720,474,402,237.72 and 290,591,426,411.28

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Solution

The fourth proportional to 522,082,875,066.30, 720,474,402,237.72 and 290,591,426,411.28 is: 401,016,187,731.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,066.30 : 720,474,402,237.72 = 290,591,426,411.28 : x
  2. Step 2: Convert to fraction form
    522,082,875,066.30/720,474,402,237.72 = 290,591,426,411.28/x
  3. Step 3: Cross multiply
    522,082,875,066.30x = 720,474,402,237.72 × 290,591,426,411.28
  4. Step 4: Simplify right side
    522,082,875,066.30x = 209,363,684,239,073,385,381,888
  5. Step 5: Solve for x
    x = 209,363,684,239,073,385,381,888/522,082,875,066.30
  6. Step 6: Final answer
    x = 401,016,187,731.66

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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.