Home / 7,621,517,193.18-11,428,350,433.59-3,420,868,897.86

Finding the Fourth Proportional to 7,621,517,193.18, 11,428,350,433.59 and 3,420,868,897.86

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Solution

The fourth proportional to 7,621,517,193.18, 11,428,350,433.59 and 3,420,868,897.86 is: 5,129,541,475.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,621,517,193.18 : 11,428,350,433.59 = 3,420,868,897.86 : x
  2. Step 2: Convert to fraction form
    7,621,517,193.18/11,428,350,433.59 = 3,420,868,897.86/x
  3. Step 3: Cross multiply
    7,621,517,193.18x = 11,428,350,433.59 × 3,420,868,897.86
  4. Step 4: Simplify right side
    7,621,517,193.18x = 39,094,888,552,112,881,664
  5. Step 5: Solve for x
    x = 39,094,888,552,112,881,664/7,621,517,193.18
  6. Step 6: Final answer
    x = 5,129,541,475.95

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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.