Home / 409,681,169.46-565,411,659-268,670,976.48

Finding the Fourth Proportional to 409,681,169.46, 565,411,659 and 268,670,976.48

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Solution

The fourth proportional to 409,681,169.46, 565,411,659 and 268,670,976.48 is: 370,799,816.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,681,169.46 : 565,411,659 = 268,670,976.48 : x
  2. Step 2: Convert to fraction form
    409,681,169.46/565,411,659 = 268,670,976.48/x
  3. Step 3: Cross multiply
    409,681,169.46x = 565,411,659 × 268,670,976.48
  4. Step 4: Simplify right side
    409,681,169.46x = 151,909,702,536,706,784
  5. Step 5: Solve for x
    x = 151,909,702,536,706,784/409,681,169.46
  6. Step 6: Final answer
    x = 370,799,816.69

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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.