Home / 739,722,977.52-1,020,805,198.56-409,691,030.64

Finding the Fourth Proportional to 739,722,977.52, 1,020,805,198.56 and 409,691,030.64

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Solution

The fourth proportional to 739,722,977.52, 1,020,805,198.56 and 409,691,030.64 is: 565,366,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,722,977.52 : 1,020,805,198.56 = 409,691,030.64 : x
  2. Step 2: Convert to fraction form
    739,722,977.52/1,020,805,198.56 = 409,691,030.64/x
  3. Step 3: Cross multiply
    739,722,977.52x = 1,020,805,198.56 × 409,691,030.64
  4. Step 4: Simplify right side
    739,722,977.52x = 418,214,733,880,716,224
  5. Step 5: Solve for x
    x = 418,214,733,880,716,224/739,722,977.52
  6. Step 6: Final answer
    x = 565,366,693.47

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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.