Home / 872,987,791.04-1,204,543,311.93-501,638,077.88

Finding the Fourth Proportional to 872,987,791.04, 1,204,543,311.93 and 501,638,077.88

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Solution

The fourth proportional to 872,987,791.04, 1,204,543,311.93 and 501,638,077.88 is: 692,157,207.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,987,791.04 : 1,204,543,311.93 = 501,638,077.88 : x
  2. Step 2: Convert to fraction form
    872,987,791.04/1,204,543,311.93 = 501,638,077.88/x
  3. Step 3: Cross multiply
    872,987,791.04x = 1,204,543,311.93 × 501,638,077.88
  4. Step 4: Simplify right side
    872,987,791.04x = 604,244,791,720,879,616
  5. Step 5: Solve for x
    x = 604,244,791,720,879,616/872,987,791.04
  6. Step 6: Final answer
    x = 692,157,207.60

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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.