Home / 872,987,809.98-1,204,543,338.03-501,638,096.82

Finding the Fourth Proportional to 872,987,809.98, 1,204,543,338.03 and 501,638,096.82

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Solution

The fourth proportional to 872,987,809.98, 1,204,543,338.03 and 501,638,096.82 is: 692,157,233.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,987,809.98 : 1,204,543,338.03 = 501,638,096.82 : x
  2. Step 2: Convert to fraction form
    872,987,809.98/1,204,543,338.03 = 501,638,096.82/x
  3. Step 3: Cross multiply
    872,987,809.98x = 1,204,543,338.03 × 501,638,096.82
  4. Step 4: Simplify right side
    872,987,809.98x = 604,244,827,626,579,072
  5. Step 5: Solve for x
    x = 604,244,827,626,579,072/872,987,809.98
  6. Step 6: Final answer
    x = 692,157,233.72

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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.