Home / 523,617,503,090.92-722,609,983,369.52-303,869,181,533.78

Finding the Fourth Proportional to 523,617,503,090.92, 722,609,983,369.52 and 303,869,181,533.78

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Solution

The fourth proportional to 523,617,503,090.92, 722,609,983,369.52 and 303,869,181,533.78 is: 419,349,817,220.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,617,503,090.92 : 722,609,983,369.52 = 303,869,181,533.78 : x
  2. Step 2: Convert to fraction form
    523,617,503,090.92/722,609,983,369.52 = 303,869,181,533.78/x
  3. Step 3: Cross multiply
    523,617,503,090.92x = 722,609,983,369.52 × 303,869,181,533.78
  4. Step 4: Simplify right side
    523,617,503,090.92x = 219,578,904,214,634,454,056,960
  5. Step 5: Solve for x
    x = 219,578,904,214,634,454,056,960/523,617,503,090.92
  6. Step 6: Final answer
    x = 419,349,817,220.51

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Double scale
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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.