Home / 551,018,533.08-760,405,533.12-303,499,887.33

Finding the Fourth Proportional to 551,018,533.08, 760,405,533.12 and 303,499,887.33

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Solution

The fourth proportional to 551,018,533.08, 760,405,533.12 and 303,499,887.33 is: 418,829,821.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,018,533.08 : 760,405,533.12 = 303,499,887.33 : x
  2. Step 2: Convert to fraction form
    551,018,533.08/760,405,533.12 = 303,499,887.33/x
  3. Step 3: Cross multiply
    551,018,533.08x = 760,405,533.12 × 303,499,887.33
  4. Step 4: Simplify right side
    551,018,533.08x = 230,782,993,627,028,576
  5. Step 5: Solve for x
    x = 230,782,993,627,028,576/551,018,533.08
  6. Step 6: Final answer
    x = 418,829,821.09

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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.