Home / 705,341,322-973,382,659.56-387,815,009.04

Finding the Fourth Proportional to 705,341,322, 973,382,659.56 and 387,815,009.04

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Solution

The fourth proportional to 705,341,322, 973,382,659.56 and 387,815,009.04 is: 535,191,109.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,341,322 : 973,382,659.56 = 387,815,009.04 : x
  2. Step 2: Convert to fraction form
    705,341,322/973,382,659.56 = 387,815,009.04/x
  3. Step 3: Cross multiply
    705,341,322x = 973,382,659.56 × 387,815,009.04
  4. Step 4: Simplify right side
    705,341,322x = 377,492,404,916,640,640
  5. Step 5: Solve for x
    x = 377,492,404,916,640,640/705,341,322
  6. Step 6: Final answer
    x = 535,191,109.81

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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.