Home / 441,041,535,147.52-661,169,817,001.77-172,369,416,557.45

Finding the Fourth Proportional to 441,041,535,147.52, 661,169,817,001.77 and 172,369,416,557.45

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Solution

The fourth proportional to 441,041,535,147.52, 661,169,817,001.77 and 172,369,416,557.45 is: 258,400,732,175.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,041,535,147.52 : 661,169,817,001.77 = 172,369,416,557.45 : x
  2. Step 2: Convert to fraction form
    441,041,535,147.52/661,169,817,001.77 = 172,369,416,557.45/x
  3. Step 3: Cross multiply
    441,041,535,147.52x = 661,169,817,001.77 × 172,369,416,557.45
  4. Step 4: Simplify right side
    441,041,535,147.52x = 113,965,455,601,991,099,088,896
  5. Step 5: Solve for x
    x = 113,965,455,601,991,099,088,896/441,041,535,147.52
  6. Step 6: Final answer
    x = 258,400,732,175.65

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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.