Home / 20,686,590,159.16-31,029,885,600.11-4,965,414,788.68

Finding the Fourth Proportional to 20,686,590,159.16, 31,029,885,600.11 and 4,965,414,788.68

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Solution

The fourth proportional to 20,686,590,159.16, 31,029,885,600.11 and 4,965,414,788.68 is: 7,448,122,269.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,590,159.16 : 31,029,885,600.11 = 4,965,414,788.68 : x
  2. Step 2: Convert to fraction form
    20,686,590,159.16/31,029,885,600.11 = 4,965,414,788.68/x
  3. Step 3: Cross multiply
    20,686,590,159.16x = 31,029,885,600.11 × 4,965,414,788.68
  4. Step 4: Simplify right side
    20,686,590,159.16x = 154,076,252,849,834,786,816
  5. Step 5: Solve for x
    x = 154,076,252,849,834,786,816/20,686,590,159.16
  6. Step 6: Final answer
    x = 7,448,122,269.76

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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.