Home / 523,617,503,090.95-722,609,983,369.55-303,869,181,533.80

Finding the Fourth Proportional to 523,617,503,090.95, 722,609,983,369.55 and 303,869,181,533.80

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Solution

The fourth proportional to 523,617,503,090.95, 722,609,983,369.55 and 303,869,181,533.80 is: 419,349,817,220.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,617,503,090.95 : 722,609,983,369.55 = 303,869,181,533.80 : x
  2. Step 2: Convert to fraction form
    523,617,503,090.95/722,609,983,369.55 = 303,869,181,533.80/x
  3. Step 3: Cross multiply
    523,617,503,090.95x = 722,609,983,369.55 × 303,869,181,533.80
  4. Step 4: Simplify right side
    523,617,503,090.95x = 219,578,904,214,658,009,268,224
  5. Step 5: Solve for x
    x = 219,578,904,214,658,009,268,224/523,617,503,090.95
  6. Step 6: Final answer
    x = 419,349,817,220.53

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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.