Home / 768,077,572.82-1,059,949,688.36-415,653,470.10

Finding the Fourth Proportional to 768,077,572.82, 1,059,949,688.36 and 415,653,470.10

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Solution

The fourth proportional to 768,077,572.82, 1,059,949,688.36 and 415,653,470.10 is: 573,603,216.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,077,572.82 : 1,059,949,688.36 = 415,653,470.10 : x
  2. Step 2: Convert to fraction form
    768,077,572.82/1,059,949,688.36 = 415,653,470.10/x
  3. Step 3: Cross multiply
    768,077,572.82x = 1,059,949,688.36 × 415,653,470.10
  4. Step 4: Simplify right side
    768,077,572.82x = 440,571,766,096,169,344
  5. Step 5: Solve for x
    x = 440,571,766,096,169,344/768,077,572.82
  6. Step 6: Final answer
    x = 573,603,216.25

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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.