Home / 635,346,387.19-876,506,041.64-396,777,395.37

Finding the Fourth Proportional to 635,346,387.19, 876,506,041.64 and 396,777,395.37

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Solution

The fourth proportional to 635,346,387.19, 876,506,041.64 and 396,777,395.37 is: 547,382,957.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,387.19 : 876,506,041.64 = 396,777,395.37 : x
  2. Step 2: Convert to fraction form
    635,346,387.19/876,506,041.64 = 396,777,395.37/x
  3. Step 3: Cross multiply
    635,346,387.19x = 876,506,041.64 × 396,777,395.37
  4. Step 4: Simplify right side
    635,346,387.19x = 347,777,784,228,979,904
  5. Step 5: Solve for x
    x = 347,777,784,228,979,904/635,346,387.19
  6. Step 6: Final answer
    x = 547,382,957.14

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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.