Home / 635,346,387.18-876,506,041.65-396,777,395.37

Finding the Fourth Proportional to 635,346,387.18, 876,506,041.65 and 396,777,395.37

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Solution

The fourth proportional to 635,346,387.18, 876,506,041.65 and 396,777,395.37 is: 547,382,957.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,387.18 : 876,506,041.65 = 396,777,395.37 : x
  2. Step 2: Convert to fraction form
    635,346,387.18/876,506,041.65 = 396,777,395.37/x
  3. Step 3: Cross multiply
    635,346,387.18x = 876,506,041.65 × 396,777,395.37
  4. Step 4: Simplify right side
    635,346,387.18x = 347,777,784,231,955,712
  5. Step 5: Solve for x
    x = 347,777,784,231,955,712/635,346,387.18
  6. Step 6: Final answer
    x = 547,382,957.15

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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.