Home / 782,903,659.10-1,173,579,785.72-367,637,112.42

Finding the Fourth Proportional to 782,903,659.10, 1,173,579,785.72 and 367,637,112.42

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Solution

The fourth proportional to 782,903,659.10, 1,173,579,785.72 and 367,637,112.42 is: 551,091,412.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,903,659.10 : 1,173,579,785.72 = 367,637,112.42 : x
  2. Step 2: Convert to fraction form
    782,903,659.10/1,173,579,785.72 = 367,637,112.42/x
  3. Step 3: Cross multiply
    782,903,659.10x = 1,173,579,785.72 × 367,637,112.42
  4. Step 4: Simplify right side
    782,903,659.10x = 431,451,483,616,583,168
  5. Step 5: Solve for x
    x = 431,451,483,616,583,168/782,903,659.10
  6. Step 6: Final answer
    x = 551,091,412.85

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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.