Home / 20,371,164,641.13-30,556,739,769.67-5,447,942,349.48

Finding the Fourth Proportional to 20,371,164,641.13, 30,556,739,769.67 and 5,447,942,349.48

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Solution

The fourth proportional to 20,371,164,641.13, 30,556,739,769.67 and 5,447,942,349.48 is: 8,171,911,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,164,641.13 : 30,556,739,769.67 = 5,447,942,349.48 : x
  2. Step 2: Convert to fraction form
    20,371,164,641.13/30,556,739,769.67 = 5,447,942,349.48/x
  3. Step 3: Cross multiply
    20,371,164,641.13x = 30,556,739,769.67 × 5,447,942,349.48
  4. Step 4: Simplify right side
    20,371,164,641.13x = 166,471,356,653,237,141,504
  5. Step 5: Solve for x
    x = 166,471,356,653,237,141,504/20,371,164,641.13
  6. Step 6: Final answer
    x = 8,171,911,600.83

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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.