Home / 12,517,224,522.70-18,778,740,963.80-4,122,828,911.32

Finding the Fourth Proportional to 12,517,224,522.70, 18,778,740,963.80 and 4,122,828,911.32

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Solution

The fourth proportional to 12,517,224,522.70, 18,778,740,963.80 and 4,122,828,911.32 is: 6,185,199,923.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,517,224,522.70 : 18,778,740,963.80 = 4,122,828,911.32 : x
  2. Step 2: Convert to fraction form
    12,517,224,522.70/18,778,740,963.80 = 4,122,828,911.32/x
  3. Step 3: Cross multiply
    12,517,224,522.70x = 18,778,740,963.80 × 4,122,828,911.32
  4. Step 4: Simplify right side
    12,517,224,522.70x = 77,421,536,163,743,842,304
  5. Step 5: Solve for x
    x = 77,421,536,163,743,842,304/12,517,224,522.70
  6. Step 6: Final answer
    x = 6,185,199,923.78

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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.