Home / 12,993,503,500.80-19,490,255,251.20-3,178,851,112.80

Finding the Fourth Proportional to 12,993,503,500.80, 19,490,255,251.20 and 3,178,851,112.80

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Solution

The fourth proportional to 12,993,503,500.80, 19,490,255,251.20 and 3,178,851,112.80 is: 4,768,276,669.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,993,503,500.80 : 19,490,255,251.20 = 3,178,851,112.80 : x
  2. Step 2: Convert to fraction form
    12,993,503,500.80/19,490,255,251.20 = 3,178,851,112.80/x
  3. Step 3: Cross multiply
    12,993,503,500.80x = 19,490,255,251.20 × 3,178,851,112.80
  4. Step 4: Simplify right side
    12,993,503,500.80x = 61,956,619,594,033,168,384
  5. Step 5: Solve for x
    x = 61,956,619,594,033,168,384/12,993,503,500.80
  6. Step 6: Final answer
    x = 4,768,276,669.20

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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.