Home / 20,884,480,143.80-31,326,720,215.70-7,098,192,015.80

Finding the Fourth Proportional to 20,884,480,143.80, 31,326,720,215.70 and 7,098,192,015.80

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Solution

The fourth proportional to 20,884,480,143.80, 31,326,720,215.70 and 7,098,192,015.80 is: 10,647,288,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884,480,143.80 : 31,326,720,215.70 = 7,098,192,015.80 : x
  2. Step 2: Convert to fraction form
    20,884,480,143.80/31,326,720,215.70 = 7,098,192,015.80/x
  3. Step 3: Cross multiply
    20,884,480,143.80x = 31,326,720,215.70 × 7,098,192,015.80
  4. Step 4: Simplify right side
    20,884,480,143.80x = 222,363,075,316,282,195,968
  5. Step 5: Solve for x
    x = 222,363,075,316,282,195,968/20,884,480,143.80
  6. Step 6: Final answer
    x = 10,647,288,023.70

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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.