Home / 742,203,397.62-1,024,212,628.61-412,199,794.26

Finding the Fourth Proportional to 742,203,397.62, 1,024,212,628.61 and 412,199,794.26

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Solution

The fourth proportional to 742,203,397.62, 1,024,212,628.61 and 412,199,794.26 is: 568,820,132.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,203,397.62 : 1,024,212,628.61 = 412,199,794.26 : x
  2. Step 2: Convert to fraction form
    742,203,397.62/1,024,212,628.61 = 412,199,794.26/x
  3. Step 3: Cross multiply
    742,203,397.62x = 1,024,212,628.61 × 412,199,794.26
  4. Step 4: Simplify right side
    742,203,397.62x = 422,180,234,791,535,808
  5. Step 5: Solve for x
    x = 422,180,234,791,535,808/742,203,397.62
  6. Step 6: Final answer
    x = 568,820,132.25

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.