Home / 910,289,350.11-1,256,199,304.77-492,601,635.27

Finding the Fourth Proportional to 910,289,350.11, 1,256,199,304.77 and 492,601,635.27

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Solution

The fourth proportional to 910,289,350.11, 1,256,199,304.77 and 492,601,635.27 is: 679,790,257.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,350.11 : 1,256,199,304.77 = 492,601,635.27 : x
  2. Step 2: Convert to fraction form
    910,289,350.11/1,256,199,304.77 = 492,601,635.27/x
  3. Step 3: Cross multiply
    910,289,350.11x = 1,256,199,304.77 × 492,601,635.27
  4. Step 4: Simplify right side
    910,289,350.11x = 618,805,831,754,739,072
  5. Step 5: Solve for x
    x = 618,805,831,754,739,072/910,289,350.11
  6. Step 6: Final answer
    x = 679,790,257.55

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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.