Home / 551,306,989,770.20-760,804,378,780.23-304,103,692,141.56

Finding the Fourth Proportional to 551,306,989,770.20, 760,804,378,780.23 and 304,103,692,141.56

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Solution

The fourth proportional to 551,306,989,770.20, 760,804,378,780.23 and 304,103,692,141.56 is: 419,663,499,425.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,306,989,770.20 : 760,804,378,780.23 = 304,103,692,141.56 : x
  2. Step 2: Convert to fraction form
    551,306,989,770.20/760,804,378,780.23 = 304,103,692,141.56/x
  3. Step 3: Cross multiply
    551,306,989,770.20x = 760,804,378,780.23 × 304,103,692,141.56
  4. Step 4: Simplify right side
    551,306,989,770.20x = 231,363,420,584,533,861,335,040
  5. Step 5: Solve for x
    x = 231,363,420,584,533,861,335,040/551,306,989,770.20
  6. Step 6: Final answer
    x = 419,663,499,425.20

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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.