Home / 20,155,411,918.80-30,233,117,878.20-20,032,967,912.40

Finding the Fourth Proportional to 20,155,411,918.80, 30,233,117,878.20 and 20,032,967,912.40

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Solution

The fourth proportional to 20,155,411,918.80, 30,233,117,878.20 and 20,032,967,912.40 is: 30,049,451,868.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,411,918.80 : 30,233,117,878.20 = 20,032,967,912.40 : x
  2. Step 2: Convert to fraction form
    20,155,411,918.80/30,233,117,878.20 = 20,032,967,912.40/x
  3. Step 3: Cross multiply
    20,155,411,918.80x = 30,233,117,878.20 × 20,032,967,912.40
  4. Step 4: Simplify right side
    20,155,411,918.80x = 605,659,080,345,787,432,960
  5. Step 5: Solve for x
    x = 605,659,080,345,787,432,960/20,155,411,918.80
  6. Step 6: Final answer
    x = 30,049,451,868.60

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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.