Home / 14,289,610,449.84-19,719,678,769.26-7,945,842,079.68

Finding the Fourth Proportional to 14,289,610,449.84, 19,719,678,769.26 and 7,945,842,079.68

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Solution

The fourth proportional to 14,289,610,449.84, 19,719,678,769.26 and 7,945,842,079.68 is: 10,965,271,160.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,289,610,449.84 : 19,719,678,769.26 = 7,945,842,079.68 : x
  2. Step 2: Convert to fraction form
    14,289,610,449.84/19,719,678,769.26 = 7,945,842,079.68/x
  3. Step 3: Cross multiply
    14,289,610,449.84x = 19,719,678,769.26 × 7,945,842,079.68
  4. Step 4: Simplify right side
    14,289,610,449.84x = 156,689,453,362,558,402,560
  5. Step 5: Solve for x
    x = 156,689,453,362,558,402,560/14,289,610,449.84
  6. Step 6: Final answer
    x = 10,965,271,160.65

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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.