Home / 387,795,093.29-535,322,356.39-260,709,476.68

Finding the Fourth Proportional to 387,795,093.29, 535,322,356.39 and 260,709,476.68

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Solution

The fourth proportional to 387,795,093.29, 535,322,356.39 and 260,709,476.68 is: 359,890,090.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,795,093.29 : 535,322,356.39 = 260,709,476.68 : x
  2. Step 2: Convert to fraction form
    387,795,093.29/535,322,356.39 = 260,709,476.68/x
  3. Step 3: Cross multiply
    387,795,093.29x = 535,322,356.39 × 260,709,476.68
  4. Step 4: Simplify right side
    387,795,093.29x = 139,563,611,389,541,360
  5. Step 5: Solve for x
    x = 139,563,611,389,541,360/387,795,093.29
  6. Step 6: Final answer
    x = 359,890,090.94

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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.