Home / 378,076,445.73-566,791,196.94-145,074,366.16

Finding the Fourth Proportional to 378,076,445.73, 566,791,196.94 and 145,074,366.16

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Solution

The fourth proportional to 378,076,445.73, 566,791,196.94 and 145,074,366.16 is: 217,487,427.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,076,445.73 : 566,791,196.94 = 145,074,366.16 : x
  2. Step 2: Convert to fraction form
    378,076,445.73/566,791,196.94 = 145,074,366.16/x
  3. Step 3: Cross multiply
    378,076,445.73x = 566,791,196.94 × 145,074,366.16
  4. Step 4: Simplify right side
    378,076,445.73x = 82,226,873,639,817,008
  5. Step 5: Solve for x
    x = 82,226,873,639,817,008/378,076,445.73
  6. Step 6: Final answer
    x = 217,487,427.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.