Home / 13,688,678,022.48-20,497,654,516.92-9,447,456,507.84

Finding the Fourth Proportional to 13,688,678,022.48, 20,497,654,516.92 and 9,447,456,507.84

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Solution

The fourth proportional to 13,688,678,022.48, 20,497,654,516.92 and 9,447,456,507.84 is: 14,146,778,764.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,688,678,022.48 : 20,497,654,516.92 = 9,447,456,507.84 : x
  2. Step 2: Convert to fraction form
    13,688,678,022.48/20,497,654,516.92 = 9,447,456,507.84/x
  3. Step 3: Cross multiply
    13,688,678,022.48x = 20,497,654,516.92 × 9,447,456,507.84
  4. Step 4: Simplify right side
    13,688,678,022.48x = 193,650,699,561,331,818,496
  5. Step 5: Solve for x
    x = 193,650,699,561,331,818,496/13,688,678,022.48
  6. Step 6: Final answer
    x = 14,146,778,764.41

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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.