Home / 20,470,259,269.17-30,708,688,355.72-6,305,218,433.91

Finding the Fourth Proportional to 20,470,259,269.17, 30,708,688,355.72 and 6,305,218,433.91

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Solution

The fourth proportional to 20,470,259,269.17, 30,708,688,355.72 and 6,305,218,433.91 is: 9,458,843,943.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,470,259,269.17 : 30,708,688,355.72 = 6,305,218,433.91 : x
  2. Step 2: Convert to fraction form
    20,470,259,269.17/30,708,688,355.72 = 6,305,218,433.91/x
  3. Step 3: Cross multiply
    20,470,259,269.17x = 30,708,688,355.72 × 6,305,218,433.91
  4. Step 4: Simplify right side
    20,470,259,269.17x = 193,624,987,901,597,777,920
  5. Step 5: Solve for x
    x = 193,624,987,901,597,777,920/20,470,259,269.17
  6. Step 6: Final answer
    x = 9,458,843,943.09

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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.