Home / 635,387,544.36-876,739,356.54-356,875,718.76

Finding the Fourth Proportional to 635,387,544.36, 876,739,356.54 and 356,875,718.76

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Solution

The fourth proportional to 635,387,544.36, 876,739,356.54 and 356,875,718.76 is: 492,434,878.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,387,544.36 : 876,739,356.54 = 356,875,718.76 : x
  2. Step 2: Convert to fraction form
    635,387,544.36/876,739,356.54 = 356,875,718.76/x
  3. Step 3: Cross multiply
    635,387,544.36x = 876,739,356.54 × 356,875,718.76
  4. Step 4: Simplify right side
    635,387,544.36x = 312,886,988,030,392,384
  5. Step 5: Solve for x
    x = 312,886,988,030,392,384/635,387,544.36
  6. Step 6: Final answer
    x = 492,434,878.22

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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.