Home / 20,686,590,158.16-31,029,885,598.61-4,965,414,787.68

Finding the Fourth Proportional to 20,686,590,158.16, 31,029,885,598.61 and 4,965,414,787.68

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Solution

The fourth proportional to 20,686,590,158.16, 31,029,885,598.61 and 4,965,414,787.68 is: 7,448,122,268.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,590,158.16 : 31,029,885,598.61 = 4,965,414,787.68 : x
  2. Step 2: Convert to fraction form
    20,686,590,158.16/31,029,885,598.61 = 4,965,414,787.68/x
  3. Step 3: Cross multiply
    20,686,590,158.16x = 31,029,885,598.61 × 4,965,414,787.68
  4. Step 4: Simplify right side
    20,686,590,158.16x = 154,076,252,811,356,766,208
  5. Step 5: Solve for x
    x = 154,076,252,811,356,766,208/20,686,590,158.16
  6. Step 6: Final answer
    x = 7,448,122,268.26

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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.