Home / 20,686,590,157.66-31,029,885,597.86-4,965,414,787.16

Finding the Fourth Proportional to 20,686,590,157.66, 31,029,885,597.86 and 4,965,414,787.16

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Solution

The fourth proportional to 20,686,590,157.66, 31,029,885,597.86 and 4,965,414,787.16 is: 7,448,122,267.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,686,590,157.66 : 31,029,885,597.86 = 4,965,414,787.16 : x
  2. Step 2: Convert to fraction form
    20,686,590,157.66/31,029,885,597.86 = 4,965,414,787.16/x
  3. Step 3: Cross multiply
    20,686,590,157.66x = 31,029,885,597.86 × 4,965,414,787.16
  4. Step 4: Simplify right side
    20,686,590,157.66x = 154,076,252,791,497,162,752
  5. Step 5: Solve for x
    x = 154,076,252,791,497,162,752/20,686,590,157.66
  6. Step 6: Final answer
    x = 7,448,122,267.48

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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.