Home / 399,997,842,535.54-551,997,569,323.44-217,094,946,993.98

Finding the Fourth Proportional to 399,997,842,535.54, 551,997,569,323.44 and 217,094,946,993.98

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Solution

The fourth proportional to 399,997,842,535.54, 551,997,569,323.44 and 217,094,946,993.98 is: 299,591,323,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,997,842,535.54 : 551,997,569,323.44 = 217,094,946,993.98 : x
  2. Step 2: Convert to fraction form
    399,997,842,535.54/551,997,569,323.44 = 217,094,946,993.98/x
  3. Step 3: Cross multiply
    399,997,842,535.54x = 551,997,569,323.44 × 217,094,946,993.98
  4. Step 4: Simplify right side
    399,997,842,535.54x = 119,835,883,053,078,007,513,088
  5. Step 5: Solve for x
    x = 119,835,883,053,078,007,513,088/399,997,842,535.54
  6. Step 6: Final answer
    x = 299,591,323,526.78

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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.