Home / 343,463,545,487.36-515,430,652,203.20-119,873,495,718.72

Finding the Fourth Proportional to 343,463,545,487.36, 515,430,652,203.20 and 119,873,495,718.72

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Solution

The fourth proportional to 343,463,545,487.36, 515,430,652,203.20 and 119,873,495,718.72 is: 179,892,378,367.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,463,545,487.36 : 515,430,652,203.20 = 119,873,495,718.72 : x
  2. Step 2: Convert to fraction form
    343,463,545,487.36/515,430,652,203.20 = 119,873,495,718.72/x
  3. Step 3: Cross multiply
    343,463,545,487.36x = 515,430,652,203.20 × 119,873,495,718.72
  4. Step 4: Simplify right side
    343,463,545,487.36x = 61,786,474,080,177,355,751,424
  5. Step 5: Solve for x
    x = 61,786,474,080,177,355,751,424/343,463,545,487.36
  6. Step 6: Final answer
    x = 179,892,378,367.27

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1.5x scale

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.