Home / 522,082,875,067.35-720,474,402,239.10-290,591,426,412.36

Finding the Fourth Proportional to 522,082,875,067.35, 720,474,402,239.10 and 290,591,426,412.36

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Solution

The fourth proportional to 522,082,875,067.35, 720,474,402,239.10 and 290,591,426,412.36 is: 401,016,187,733.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,082,875,067.35 : 720,474,402,239.10 = 290,591,426,412.36 : x
  2. Step 2: Convert to fraction form
    522,082,875,067.35/720,474,402,239.10 = 290,591,426,412.36/x
  3. Step 3: Cross multiply
    522,082,875,067.35x = 720,474,402,239.10 × 290,591,426,412.36
  4. Step 4: Simplify right side
    522,082,875,067.35x = 209,363,684,240,252,454,567,936
  5. Step 5: Solve for x
    x = 209,363,684,240,252,454,567,936/522,082,875,067.35
  6. Step 6: Final answer
    x = 401,016,187,733.11

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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.