Home / 20,371,164,707.47-30,556,739,869.22-5,447,942,415.70

Finding the Fourth Proportional to 20,371,164,707.47, 30,556,739,869.22 and 5,447,942,415.70

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Solution

The fourth proportional to 20,371,164,707.47, 30,556,739,869.22 and 5,447,942,415.70 is: 8,171,911,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,371,164,707.47 : 30,556,739,869.22 = 5,447,942,415.70 : x
  2. Step 2: Convert to fraction form
    20,371,164,707.47/30,556,739,869.22 = 5,447,942,415.70/x
  3. Step 3: Cross multiply
    20,371,164,707.47x = 30,556,739,869.22 × 5,447,942,415.70
  4. Step 4: Simplify right side
    20,371,164,707.47x = 166,471,359,219,143,606,272
  5. Step 5: Solve for x
    x = 166,471,359,219,143,606,272/20,371,164,707.47
  6. Step 6: Final answer
    x = 8,171,911,700.17

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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.