Home / 20,723,817,379.41-31,087,506,156.98-7,276,945,468.95

Finding the Fourth Proportional to 20,723,817,379.41, 31,087,506,156.98 and 7,276,945,468.95

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Solution

The fourth proportional to 20,723,817,379.41, 31,087,506,156.98 and 7,276,945,468.95 is: 10,916,043,262.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,723,817,379.41 : 31,087,506,156.98 = 7,276,945,468.95 : x
  2. Step 2: Convert to fraction form
    20,723,817,379.41/31,087,506,156.98 = 7,276,945,468.95/x
  3. Step 3: Cross multiply
    20,723,817,379.41x = 31,087,506,156.98 × 7,276,945,468.95
  4. Step 4: Simplify right side
    20,723,817,379.41x = 226,222,087,069,954,441,216
  5. Step 5: Solve for x
    x = 226,222,087,069,954,441,216/20,723,817,379.41
  6. Step 6: Final answer
    x = 10,916,043,262.12

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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.