Home / 13,484,497,928.30-20,213,142,002.85-6,128,787,617.90

Finding the Fourth Proportional to 13,484,497,928.30, 20,213,142,002.85 and 6,128,787,617.90

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Solution

The fourth proportional to 13,484,497,928.30, 20,213,142,002.85 and 6,128,787,617.90 is: 9,186,997,920.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,497,928.30 : 20,213,142,002.85 = 6,128,787,617.90 : x
  2. Step 2: Convert to fraction form
    13,484,497,928.30/20,213,142,002.85 = 6,128,787,617.90/x
  3. Step 3: Cross multiply
    13,484,497,928.30x = 20,213,142,002.85 × 6,128,787,617.90
  4. Step 4: Simplify right side
    13,484,497,928.30x = 123,882,054,425,921,470,464
  5. Step 5: Solve for x
    x = 123,882,054,425,921,470,464/13,484,497,928.30
  6. Step 6: Final answer
    x = 9,186,997,920.47

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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.