Home / 13,921,716,785.76-19,212,433,228.08-7,819,144,770.24

Finding the Fourth Proportional to 13,921,716,785.76, 19,212,433,228.08 and 7,819,144,770.24

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Solution

The fourth proportional to 13,921,716,785.76, 19,212,433,228.08 and 7,819,144,770.24 is: 10,790,680,424.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,921,716,785.76 : 19,212,433,228.08 = 7,819,144,770.24 : x
  2. Step 2: Convert to fraction form
    13,921,716,785.76/19,212,433,228.08 = 7,819,144,770.24/x
  3. Step 3: Cross multiply
    13,921,716,785.76x = 19,212,433,228.08 × 7,819,144,770.24
  4. Step 4: Simplify right side
    13,921,716,785.76x = 150,224,796,798,926,946,304
  5. Step 5: Solve for x
    x = 150,224,796,798,926,946,304/13,921,716,785.76
  6. Step 6: Final answer
    x = 10,790,680,424.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.