Home / 791,513,782.62-1,092,419,961.32-439,203,275.45

Finding the Fourth Proportional to 791,513,782.62, 1,092,419,961.32 and 439,203,275.45

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Solution

The fourth proportional to 791,513,782.62, 1,092,419,961.32 and 439,203,275.45 is: 606,173,178.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,513,782.62 : 1,092,419,961.32 = 439,203,275.45 : x
  2. Step 2: Convert to fraction form
    791,513,782.62/1,092,419,961.32 = 439,203,275.45/x
  3. Step 3: Cross multiply
    791,513,782.62x = 1,092,419,961.32 × 439,203,275.45
  4. Step 4: Simplify right side
    791,513,782.62x = 479,794,425,171,048,192
  5. Step 5: Solve for x
    x = 479,794,425,171,048,192/791,513,782.62
  6. Step 6: Final answer
    x = 606,173,178.16

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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.