Home / 12,129,136,606.40-18,179,372,186.40-5,141,934,046.40

Finding the Fourth Proportional to 12,129,136,606.40, 18,179,372,186.40 and 5,141,934,046.40

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Solution

The fourth proportional to 12,129,136,606.40, 18,179,372,186.40 and 5,141,934,046.40 is: 7,706,824,963.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,129,136,606.40 : 18,179,372,186.40 = 5,141,934,046.40 : x
  2. Step 2: Convert to fraction form
    12,129,136,606.40/18,179,372,186.40 = 5,141,934,046.40/x
  3. Step 3: Cross multiply
    12,129,136,606.40x = 18,179,372,186.40 × 5,141,934,046.40
  4. Step 4: Simplify right side
    12,129,136,606.40x = 93,477,132,787,427,360,768
  5. Step 5: Solve for x
    x = 93,477,132,787,427,360,768/12,129,136,606.40
  6. Step 6: Final answer
    x = 7,706,824,963.79

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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.