Home / 21,277,314,804.38-31,924,032,983.42-12,774,635,355.42

Finding the Fourth Proportional to 21,277,314,804.38, 31,924,032,983.42 and 12,774,635,355.42

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Solution

The fourth proportional to 21,277,314,804.38, 31,924,032,983.42 and 12,774,635,355.42 is: 19,166,792,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,277,314,804.38 : 31,924,032,983.42 = 12,774,635,355.42 : x
  2. Step 2: Convert to fraction form
    21,277,314,804.38/31,924,032,983.42 = 12,774,635,355.42/x
  3. Step 3: Cross multiply
    21,277,314,804.38x = 31,924,032,983.42 × 12,774,635,355.42
  4. Step 4: Simplify right side
    21,277,314,804.38x = 407,817,880,437,527,478,272
  5. Step 5: Solve for x
    x = 407,817,880,437,527,478,272/21,277,314,804.38
  6. Step 6: Final answer
    x = 19,166,792,623.37

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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.