Home / 1,165,125,192.72-1,748,377,310.73-428,712,241.35

Finding the Fourth Proportional to 1,165,125,192.72, 1,748,377,310.73 and 428,712,241.35

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Solution

The fourth proportional to 1,165,125,192.72, 1,748,377,310.73 and 428,712,241.35 is: 643,322,074.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,125,192.72 : 1,748,377,310.73 = 428,712,241.35 : x
  2. Step 2: Convert to fraction form
    1,165,125,192.72/1,748,377,310.73 = 428,712,241.35/x
  3. Step 3: Cross multiply
    1,165,125,192.72x = 1,748,377,310.73 × 428,712,241.35
  4. Step 4: Simplify right side
    1,165,125,192.72x = 749,550,755,608,543,744
  5. Step 5: Solve for x
    x = 749,550,755,608,543,744/1,165,125,192.72
  6. Step 6: Final answer
    x = 643,322,074.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.