Home / 20,178,642,799.90-30,267,964,199.85-10,880,551,063.90

Finding the Fourth Proportional to 20,178,642,799.90, 30,267,964,199.85 and 10,880,551,063.90

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Solution

The fourth proportional to 20,178,642,799.90, 30,267,964,199.85 and 10,880,551,063.90 is: 16,320,826,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,178,642,799.90 : 30,267,964,199.85 = 10,880,551,063.90 : x
  2. Step 2: Convert to fraction form
    20,178,642,799.90/30,267,964,199.85 = 10,880,551,063.90/x
  3. Step 3: Cross multiply
    20,178,642,799.90x = 30,267,964,199.85 × 10,880,551,063.90
  4. Step 4: Simplify right side
    20,178,642,799.90x = 329,332,130,076,764,995,584
  5. Step 5: Solve for x
    x = 329,332,130,076,764,995,584/20,178,642,799.90
  6. Step 6: Final answer
    x = 16,320,826,595.85

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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.