Home / 503,521,900.30-689,827,464.06-484,650,035.92

Finding the Fourth Proportional to 503,521,900.30, 689,827,464.06 and 484,650,035.92

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Solution

The fourth proportional to 503,521,900.30, 689,827,464.06 and 484,650,035.92 is: 663,972,917.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,521,900.30 : 689,827,464.06 = 484,650,035.92 : x
  2. Step 2: Convert to fraction form
    503,521,900.30/689,827,464.06 = 484,650,035.92/x
  3. Step 3: Cross multiply
    503,521,900.30x = 689,827,464.06 × 484,650,035.92
  4. Step 4: Simplify right side
    503,521,900.30x = 334,324,905,233,556,928
  5. Step 5: Solve for x
    x = 334,324,905,233,556,928/503,521,900.30
  6. Step 6: Final answer
    x = 663,972,917.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.