Home / 901,521,544.28-1,244,099,849.06-499,661,237.86

Finding the Fourth Proportional to 901,521,544.28, 1,244,099,849.06 and 499,661,237.86

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Solution

The fourth proportional to 901,521,544.28, 1,244,099,849.06 and 499,661,237.86 is: 689,532,573.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,521,544.28 : 1,244,099,849.06 = 499,661,237.86 : x
  2. Step 2: Convert to fraction form
    901,521,544.28/1,244,099,849.06 = 499,661,237.86/x
  3. Step 3: Cross multiply
    901,521,544.28x = 1,244,099,849.06 × 499,661,237.86
  4. Step 4: Simplify right side
    901,521,544.28x = 621,628,470,600,897,664
  5. Step 5: Solve for x
    x = 621,628,470,600,897,664/901,521,544.28
  6. Step 6: Final answer
    x = 689,532,573.62

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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.