Home / 12,178,387,725.60-18,269,282,199.60-5,191,143,175.20

Finding the Fourth Proportional to 12,178,387,725.60, 18,269,282,199.60 and 5,191,143,175.20

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Solution

The fourth proportional to 12,178,387,725.60, 18,269,282,199.60 and 5,191,143,175.20 is: 7,787,439,663.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,178,387,725.60 : 18,269,282,199.60 = 5,191,143,175.20 : x
  2. Step 2: Convert to fraction form
    12,178,387,725.60/18,269,282,199.60 = 5,191,143,175.20/x
  3. Step 3: Cross multiply
    12,178,387,725.60x = 18,269,282,199.60 × 5,191,143,175.20
  4. Step 4: Simplify right side
    12,178,387,725.60x = 94,838,459,606,256,369,664
  5. Step 5: Solve for x
    x = 94,838,459,606,256,369,664/12,178,387,725.60
  6. Step 6: Final answer
    x = 7,787,439,663.04

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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.