Home / 256,244,597.76-384,980,086.17-164,308,459.49

Finding the Fourth Proportional to 256,244,597.76, 384,980,086.17 and 164,308,459.49

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Solution

The fourth proportional to 256,244,597.76, 384,980,086.17 and 164,308,459.49 is: 246,855,876.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,597.76 : 384,980,086.17 = 164,308,459.49 : x
  2. Step 2: Convert to fraction form
    256,244,597.76/384,980,086.17 = 164,308,459.49/x
  3. Step 3: Cross multiply
    256,244,597.76x = 384,980,086.17 × 164,308,459.49
  4. Step 4: Simplify right side
    256,244,597.76x = 63,255,484,890,995,264
  5. Step 5: Solve for x
    x = 63,255,484,890,995,264/256,244,597.76
  6. Step 6: Final answer
    x = 246,855,876.94

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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.