Home / 910,289,356.11-1,256,199,313.05-492,601,641.27

Finding the Fourth Proportional to 910,289,356.11, 1,256,199,313.05 and 492,601,641.27

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Solution

The fourth proportional to 910,289,356.11, 1,256,199,313.05 and 492,601,641.27 is: 679,790,265.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,356.11 : 1,256,199,313.05 = 492,601,641.27 : x
  2. Step 2: Convert to fraction form
    910,289,356.11/1,256,199,313.05 = 492,601,641.27/x
  3. Step 3: Cross multiply
    910,289,356.11x = 1,256,199,313.05 × 492,601,641.27
  4. Step 4: Simplify right side
    910,289,356.11x = 618,805,843,370,676,480
  5. Step 5: Solve for x
    x = 618,805,843,370,676,480/910,289,356.11
  6. Step 6: Final answer
    x = 679,790,265.83

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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.