Home / 12,154,543,180.14-18,252,679,171.42-7,460,429,417.58

Finding the Fourth Proportional to 12,154,543,180.14, 18,252,679,171.42 and 7,460,429,417.58

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Solution

The fourth proportional to 12,154,543,180.14, 18,252,679,171.42 and 7,460,429,417.58 is: 11,203,450,645.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,154,543,180.14 : 18,252,679,171.42 = 7,460,429,417.58 : x
  2. Step 2: Convert to fraction form
    12,154,543,180.14/18,252,679,171.42 = 7,460,429,417.58/x
  3. Step 3: Cross multiply
    12,154,543,180.14x = 18,252,679,171.42 × 7,460,429,417.58
  4. Step 4: Simplify right side
    12,154,543,180.14x = 136,172,824,640,111,493,120
  5. Step 5: Solve for x
    x = 136,172,824,640,111,493,120/12,154,543,180.14
  6. Step 6: Final answer
    x = 11,203,450,645.73

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1.5x scale

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.