Home / 13,484,497,941.30-20,213,142,022.35-6,128,787,630.90

Finding the Fourth Proportional to 13,484,497,941.30, 20,213,142,022.35 and 6,128,787,630.90

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Solution

The fourth proportional to 13,484,497,941.30, 20,213,142,022.35 and 6,128,787,630.90 is: 9,186,997,939.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,484,497,941.30 : 20,213,142,022.35 = 6,128,787,630.90 : x
  2. Step 2: Convert to fraction form
    13,484,497,941.30/20,213,142,022.35 = 6,128,787,630.90/x
  3. Step 3: Cross multiply
    13,484,497,941.30x = 20,213,142,022.35 × 6,128,787,630.90
  4. Step 4: Simplify right side
    13,484,497,941.30x = 123,882,054,808,203,673,600
  5. Step 5: Solve for x
    x = 123,882,054,808,203,673,600/13,484,497,941.30
  6. Step 6: Final answer
    x = 9,186,997,939.97

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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.