Home / 851,935,933.80-1,278,308,605.40-590,023,540.72

Finding the Fourth Proportional to 851,935,933.80, 1,278,308,605.40 and 590,023,540.72

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Solution

The fourth proportional to 851,935,933.80, 1,278,308,605.40 and 590,023,540.72 is: 885,315,596.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,935,933.80 : 1,278,308,605.40 = 590,023,540.72 : x
  2. Step 2: Convert to fraction form
    851,935,933.80/1,278,308,605.40 = 590,023,540.72/x
  3. Step 3: Cross multiply
    851,935,933.80x = 1,278,308,605.40 × 590,023,540.72
  4. Step 4: Simplify right side
    851,935,933.80x = 754,232,169,486,527,360
  5. Step 5: Solve for x
    x = 754,232,169,486,527,360/851,935,933.80
  6. Step 6: Final answer
    x = 885,315,596.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.