Home / 256,308,667.20-385,554,029.76-232,336,676.16

Finding the Fourth Proportional to 256,308,667.20, 385,554,029.76 and 232,336,676.16

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Solution

The fourth proportional to 256,308,667.20, 385,554,029.76 and 232,336,676.16 is: 349,494,001.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,308,667.20 : 385,554,029.76 = 232,336,676.16 : x
  2. Step 2: Convert to fraction form
    256,308,667.20/385,554,029.76 = 232,336,676.16/x
  3. Step 3: Cross multiply
    256,308,667.20x = 385,554,029.76 × 232,336,676.16
  4. Step 4: Simplify right side
    256,308,667.20x = 89,578,341,754,532,112
  5. Step 5: Solve for x
    x = 89,578,341,754,532,112/256,308,667.20
  6. Step 6: Final answer
    x = 349,494,001.64

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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.