Home / 637,994,475.68-880,596,189.52-415,530,517.46

Finding the Fourth Proportional to 637,994,475.68, 880,596,189.52 and 415,530,517.46

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Solution

The fourth proportional to 637,994,475.68, 880,596,189.52 and 415,530,517.46 is: 573,538,806.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,994,475.68 : 880,596,189.52 = 415,530,517.46 : x
  2. Step 2: Convert to fraction form
    637,994,475.68/880,596,189.52 = 415,530,517.46/x
  3. Step 3: Cross multiply
    637,994,475.68x = 880,596,189.52 × 415,530,517.46
  4. Step 4: Simplify right side
    637,994,475.68x = 365,914,590,304,549,824
  5. Step 5: Solve for x
    x = 365,914,590,304,549,824/637,994,475.68
  6. Step 6: Final answer
    x = 573,538,806.77

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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.