Home / 343,911,295.38-515,946,637.49-98,271,129.54

Finding the Fourth Proportional to 343,911,295.38, 515,946,637.49 and 98,271,129.54

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Solution

The fourth proportional to 343,911,295.38, 515,946,637.49 and 98,271,129.54 is: 147,429,466.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,911,295.38 : 515,946,637.49 = 98,271,129.54 : x
  2. Step 2: Convert to fraction form
    343,911,295.38/515,946,637.49 = 98,271,129.54/x
  3. Step 3: Cross multiply
    343,911,295.38x = 515,946,637.49 × 98,271,129.54
  4. Step 4: Simplify right side
    343,911,295.38x = 50,702,658,848,015,856
  5. Step 5: Solve for x
    x = 50,702,658,848,015,856/343,911,295.38
  6. Step 6: Final answer
    x = 147,429,466.64

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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.