Home / 611,816,693.37-917,904,121.38-197,285,177.77

Finding the Fourth Proportional to 611,816,693.37, 917,904,121.38 and 197,285,177.77

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Solution

The fourth proportional to 611,816,693.37, 917,904,121.38 and 197,285,177.77 is: 295,985,512.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,816,693.37 : 917,904,121.38 = 197,285,177.77 : x
  2. Step 2: Convert to fraction form
    611,816,693.37/917,904,121.38 = 197,285,177.77/x
  3. Step 3: Cross multiply
    611,816,693.37x = 917,904,121.38 × 197,285,177.77
  4. Step 4: Simplify right side
    611,816,693.37x = 181,088,877,762,268,960
  5. Step 5: Solve for x
    x = 181,088,877,762,268,960/611,816,693.37
  6. Step 6: Final answer
    x = 295,985,512.86

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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.