Home / 20,285,437,725.45-30,432,831,263.01-7,020,696,163.95

Finding the Fourth Proportional to 20,285,437,725.45, 30,432,831,263.01 and 7,020,696,163.95

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Solution

The fourth proportional to 20,285,437,725.45, 30,432,831,263.01 and 7,020,696,163.95 is: 10,532,662,129.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,285,437,725.45 : 30,432,831,263.01 = 7,020,696,163.95 : x
  2. Step 2: Convert to fraction form
    20,285,437,725.45/30,432,831,263.01 = 7,020,696,163.95/x
  3. Step 3: Cross multiply
    20,285,437,725.45x = 30,432,831,263.01 × 7,020,696,163.95
  4. Step 4: Simplify right side
    20,285,437,725.45x = 213,659,661,706,351,935,488
  5. Step 5: Solve for x
    x = 213,659,661,706,351,935,488/20,285,437,725.45
  6. Step 6: Final answer
    x = 10,532,662,129.26

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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.