Home / 286,801,004,769.32-395,820,092,430.68-163,232,188,041.56

Finding the Fourth Proportional to 286,801,004,769.32, 395,820,092,430.68 and 163,232,188,041.56

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Solution

The fourth proportional to 286,801,004,769.32, 395,820,092,430.68 and 163,232,188,041.56 is: 225,280,172,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,801,004,769.32 : 395,820,092,430.68 = 163,232,188,041.56 : x
  2. Step 2: Convert to fraction form
    286,801,004,769.32/395,820,092,430.68 = 163,232,188,041.56/x
  3. Step 3: Cross multiply
    286,801,004,769.32x = 395,820,092,430.68 × 163,232,188,041.56
  4. Step 4: Simplify right side
    286,801,004,769.32x = 64,610,579,758,272,412,123,136
  5. Step 5: Solve for x
    x = 64,610,579,758,272,412,123,136/286,801,004,769.32
  6. Step 6: Final answer
    x = 225,280,172,258.25

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1.5x scale

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.