Home / 870,145,965.44-1,305,213,142.08-352,568,769.92

Finding the Fourth Proportional to 870,145,965.44, 1,305,213,142.08 and 352,568,769.92

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Solution

The fourth proportional to 870,145,965.44, 1,305,213,142.08 and 352,568,769.92 is: 528,850,802.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    870,145,965.44 : 1,305,213,142.08 = 352,568,769.92 : x
  2. Step 2: Convert to fraction form
    870,145,965.44/1,305,213,142.08 = 352,568,769.92/x
  3. Step 3: Cross multiply
    870,145,965.44x = 1,305,213,142.08 × 352,568,769.92
  4. Step 4: Simplify right side
    870,145,965.44x = 460,177,391,986,563,776
  5. Step 5: Solve for x
    x = 460,177,391,986,563,776/870,145,965.44
  6. Step 6: Final answer
    x = 528,850,802.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.