Home / 635,346,385.34-876,506,039.04-396,777,393.50

Finding the Fourth Proportional to 635,346,385.34, 876,506,039.04 and 396,777,393.50

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Solution

The fourth proportional to 635,346,385.34, 876,506,039.04 and 396,777,393.50 is: 547,382,954.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,346,385.34 : 876,506,039.04 = 396,777,393.50 : x
  2. Step 2: Convert to fraction form
    635,346,385.34/876,506,039.04 = 396,777,393.50/x
  3. Step 3: Cross multiply
    635,346,385.34x = 876,506,039.04 × 396,777,393.50
  4. Step 4: Simplify right side
    635,346,385.34x = 347,777,781,552,917,888
  5. Step 5: Solve for x
    x = 347,777,781,552,917,888/635,346,385.34
  6. Step 6: Final answer
    x = 547,382,954.53

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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.