Home / 870,733,884.16-1,201,612,717.44-479,593,327.36

Finding the Fourth Proportional to 870,733,884.16, 1,201,612,717.44 and 479,593,327.36

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Solution

The fourth proportional to 870,733,884.16, 1,201,612,717.44 and 479,593,327.36 is: 661,838,768.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,733,884.16 : 1,201,612,717.44 = 479,593,327.36 : x
  2. Step 2: Convert to fraction form
    870,733,884.16/1,201,612,717.44 = 479,593,327.36/x
  3. Step 3: Cross multiply
    870,733,884.16x = 1,201,612,717.44 × 479,593,327.36
  4. Step 4: Simplify right side
    870,733,884.16x = 576,285,441,355,141,120
  5. Step 5: Solve for x
    x = 576,285,441,355,141,120/870,733,884.16
  6. Step 6: Final answer
    x = 661,838,768.24

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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.