Home / 768,041,782.62-1,059,900,452.01-415,617,736.74

Finding the Fourth Proportional to 768,041,782.62, 1,059,900,452.01 and 415,617,736.74

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Solution

The fourth proportional to 768,041,782.62, 1,059,900,452.01 and 415,617,736.74 is: 573,553,987.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,041,782.62 : 1,059,900,452.01 = 415,617,736.74 : x
  2. Step 2: Convert to fraction form
    768,041,782.62/1,059,900,452.01 = 415,617,736.74/x
  3. Step 3: Cross multiply
    768,041,782.62x = 1,059,900,452.01 × 415,617,736.74
  4. Step 4: Simplify right side
    768,041,782.62x = 440,513,427,034,099,200
  5. Step 5: Solve for x
    x = 440,513,427,034,099,200/768,041,782.62
  6. Step 6: Final answer
    x = 573,553,987.56

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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.