Home / 1,343,912,730.72-1,854,504,865.32-749,170,907.48

Finding the Fourth Proportional to 1,343,912,730.72, 1,854,504,865.32 and 749,170,907.48

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Solution

The fourth proportional to 1,343,912,730.72, 1,854,504,865.32 and 749,170,907.48 is: 1,033,803,059.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,912,730.72 : 1,854,504,865.32 = 749,170,907.48 : x
  2. Step 2: Convert to fraction form
    1,343,912,730.72/1,854,504,865.32 = 749,170,907.48/x
  3. Step 3: Cross multiply
    1,343,912,730.72x = 1,854,504,865.32 × 749,170,907.48
  4. Step 4: Simplify right side
    1,343,912,730.72x = 1,389,341,092,868,587,008
  5. Step 5: Solve for x
    x = 1,389,341,092,868,587,008/1,343,912,730.72
  6. Step 6: Final answer
    x = 1,033,803,059.61

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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.