Home / 384,021,495.37-529,951,061.60-207,809,474.77

Finding the Fourth Proportional to 384,021,495.37, 529,951,061.60 and 207,809,474.77

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Solution

The fourth proportional to 384,021,495.37, 529,951,061.60 and 207,809,474.77 is: 286,777,831.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,021,495.37 : 529,951,061.60 = 207,809,474.77 : x
  2. Step 2: Convert to fraction form
    384,021,495.37/529,951,061.60 = 207,809,474.77/x
  3. Step 3: Cross multiply
    384,021,495.37x = 529,951,061.60 × 207,809,474.77
  4. Step 4: Simplify right side
    384,021,495.37x = 110,128,851,765,302,592
  5. Step 5: Solve for x
    x = 110,128,851,765,302,592/384,021,495.37
  6. Step 6: Final answer
    x = 286,777,831.70

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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.