Home / 991,112,105.27-1,487,323,117.43-466,631,198.60

Finding the Fourth Proportional to 991,112,105.27, 1,487,323,117.43 and 466,631,198.60

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Solution

The fourth proportional to 991,112,105.27, 1,487,323,117.43 and 466,631,198.60 is: 700,255,163.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,112,105.27 : 1,487,323,117.43 = 466,631,198.60 : x
  2. Step 2: Convert to fraction form
    991,112,105.27/1,487,323,117.43 = 466,631,198.60/x
  3. Step 3: Cross multiply
    991,112,105.27x = 1,487,323,117.43 × 466,631,198.60
  4. Step 4: Simplify right side
    991,112,105.27x = 694,031,368,991,849,472
  5. Step 5: Solve for x
    x = 694,031,368,991,849,472/991,112,105.27
  6. Step 6: Final answer
    x = 700,255,163.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.