Home / 980,209,274.40-1,352,689,080.12-534,172,760.28

Finding the Fourth Proportional to 980,209,274.40, 1,352,689,080.12 and 534,172,760.28

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Solution

The fourth proportional to 980,209,274.40, 1,352,689,080.12 and 534,172,760.28 is: 737,158,562.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,209,274.40 : 1,352,689,080.12 = 534,172,760.28 : x
  2. Step 2: Convert to fraction form
    980,209,274.40/1,352,689,080.12 = 534,172,760.28/x
  3. Step 3: Cross multiply
    980,209,274.40x = 1,352,689,080.12 × 534,172,760.28
  4. Step 4: Simplify right side
    980,209,274.40x = 722,569,659,728,314,368
  5. Step 5: Solve for x
    x = 722,569,659,728,314,368/980,209,274.40
  6. Step 6: Final answer
    x = 737,158,562.56

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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.