Home / 20,128,334,930.20-30,192,502,395.30-6,878,554,206.40

Finding the Fourth Proportional to 20,128,334,930.20, 30,192,502,395.30 and 6,878,554,206.40

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Solution

The fourth proportional to 20,128,334,930.20, 30,192,502,395.30 and 6,878,554,206.40 is: 10,317,831,309.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,128,334,930.20 : 30,192,502,395.30 = 6,878,554,206.40 : x
  2. Step 2: Convert to fraction form
    20,128,334,930.20/30,192,502,395.30 = 6,878,554,206.40/x
  3. Step 3: Cross multiply
    20,128,334,930.20x = 30,192,502,395.30 × 6,878,554,206.40
  4. Step 4: Simplify right side
    20,128,334,930.20x = 207,680,764,352,932,872,192
  5. Step 5: Solve for x
    x = 207,680,764,352,932,872,192/20,128,334,930.20
  6. Step 6: Final answer
    x = 10,317,831,309.60

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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.