Home / 798,809,947.60-1,198,347,631.80-314,151,566.80

Finding the Fourth Proportional to 798,809,947.60, 1,198,347,631.80 and 314,151,566.80

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Solution

The fourth proportional to 798,809,947.60, 1,198,347,631.80 and 314,151,566.80 is: 471,279,541.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,809,947.60 : 1,198,347,631.80 = 314,151,566.80 : x
  2. Step 2: Convert to fraction form
    798,809,947.60/1,198,347,631.80 = 314,151,566.80/x
  3. Step 3: Cross multiply
    798,809,947.60x = 1,198,347,631.80 × 314,151,566.80
  4. Step 4: Simplify right side
    798,809,947.60x = 376,462,786,101,039,488
  5. Step 5: Solve for x
    x = 376,462,786,101,039,488/798,809,947.60
  6. Step 6: Final answer
    x = 471,279,541.81

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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.