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Finding the Fourth Proportional to 874,898,802, 1,206,791,453.52 and 561,136,035.60

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Solution

The fourth proportional to 874,898,802, 1,206,791,453.52 and 561,136,035.60 is: 774,002,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,898,802 : 1,206,791,453.52 = 561,136,035.60 : x
  2. Step 2: Convert to fraction form
    874,898,802/1,206,791,453.52 = 561,136,035.60/x
  3. Step 3: Cross multiply
    874,898,802x = 1,206,791,453.52 × 561,136,035.60
  4. Step 4: Simplify right side
    874,898,802x = 677,174,172,024,174,464
  5. Step 5: Solve for x
    x = 677,174,172,024,174,464/874,898,802
  6. Step 6: Final answer
    x = 774,002,856.65

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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.