Home / 387,983,942,027.52-535,412,141,887.56-216,708,373,054.32

Finding the Fourth Proportional to 387,983,942,027.52, 535,412,141,887.56 and 216,708,373,054.32

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Solution

The fourth proportional to 387,983,942,027.52, 535,412,141,887.56 and 216,708,373,054.32 is: 299,054,372,136.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,983,942,027.52 : 535,412,141,887.56 = 216,708,373,054.32 : x
  2. Step 2: Convert to fraction form
    387,983,942,027.52/535,412,141,887.56 = 216,708,373,054.32/x
  3. Step 3: Cross multiply
    387,983,942,027.52x = 535,412,141,887.56 × 216,708,373,054.32
  4. Step 4: Simplify right side
    387,983,942,027.52x = 116,028,294,181,981,867,999,232
  5. Step 5: Solve for x
    x = 116,028,294,181,981,867,999,232/387,983,942,027.52
  6. Step 6: Final answer
    x = 299,054,372,136.24

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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.