Home / 874,155,989.77-1,206,404,046.85-497,828,504.23

Finding the Fourth Proportional to 874,155,989.77, 1,206,404,046.85 and 497,828,504.23

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Solution

The fourth proportional to 874,155,989.77, 1,206,404,046.85 and 497,828,504.23 is: 687,042,506.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,155,989.77 : 1,206,404,046.85 = 497,828,504.23 : x
  2. Step 2: Convert to fraction form
    874,155,989.77/1,206,404,046.85 = 497,828,504.23/x
  3. Step 3: Cross multiply
    874,155,989.77x = 1,206,404,046.85 × 497,828,504.23
  4. Step 4: Simplify right side
    874,155,989.77x = 600,582,322,140,354,304
  5. Step 5: Solve for x
    x = 600,582,322,140,354,304/874,155,989.77
  6. Step 6: Final answer
    x = 687,042,506.34

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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.