Home / 1,168,749,405-1,612,924,878.42-647,228,637

Finding the Fourth Proportional to 1,168,749,405, 1,612,924,878.42 and 647,228,637

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Solution

The fourth proportional to 1,168,749,405, 1,612,924,878.42 and 647,228,637 is: 893,203,595.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,749,405 : 1,612,924,878.42 = 647,228,637 : x
  2. Step 2: Convert to fraction form
    1,168,749,405/1,612,924,878.42 = 647,228,637/x
  3. Step 3: Cross multiply
    1,168,749,405x = 1,612,924,878.42 × 647,228,637
  4. Step 4: Simplify right side
    1,168,749,405x = 1,043,931,170,643,167,360
  5. Step 5: Solve for x
    x = 1,043,931,170,643,167,360/1,168,749,405
  6. Step 6: Final answer
    x = 893,203,595.38

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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.