Home / 384,021,496.86-529,951,063.67-207,809,476.28

Finding the Fourth Proportional to 384,021,496.86, 529,951,063.67 and 207,809,476.28

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Solution

The fourth proportional to 384,021,496.86, 529,951,063.67 and 207,809,476.28 is: 286,777,833.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,021,496.86 : 529,951,063.67 = 207,809,476.28 : x
  2. Step 2: Convert to fraction form
    384,021,496.86/529,951,063.67 = 207,809,476.28/x
  3. Step 3: Cross multiply
    384,021,496.86x = 529,951,063.67 × 207,809,476.28
  4. Step 4: Simplify right side
    384,021,496.86x = 110,128,852,991,602,832
  5. Step 5: Solve for x
    x = 110,128,852,991,602,832/384,021,496.86
  6. Step 6: Final answer
    x = 286,777,833.77

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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.