Home / 387,795,091.54-535,322,353.97-260,709,474.93

Finding the Fourth Proportional to 387,795,091.54, 535,322,353.97 and 260,709,474.93

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Solution

The fourth proportional to 387,795,091.54, 535,322,353.97 and 260,709,474.93 is: 359,890,088.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,795,091.54 : 535,322,353.97 = 260,709,474.93 : x
  2. Step 2: Convert to fraction form
    387,795,091.54/535,322,353.97 = 260,709,474.93/x
  3. Step 3: Cross multiply
    387,795,091.54x = 535,322,353.97 × 260,709,474.93
  4. Step 4: Simplify right side
    387,795,091.54x = 139,563,609,821,790,752
  5. Step 5: Solve for x
    x = 139,563,609,821,790,752/387,795,091.54
  6. Step 6: Final answer
    x = 359,890,088.52

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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.