Home / 302,090,530,538.40-416,886,625,426.32-171,879,381,972.18

Finding the Fourth Proportional to 302,090,530,538.40, 416,886,625,426.32 and 171,879,381,972.18

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Solution

The fourth proportional to 302,090,530,538.40, 416,886,625,426.32 and 171,879,381,972.18 is: 237,194,510,543.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,090,530,538.40 : 416,886,625,426.32 = 171,879,381,972.18 : x
  2. Step 2: Convert to fraction form
    302,090,530,538.40/416,886,625,426.32 = 171,879,381,972.18/x
  3. Step 3: Cross multiply
    302,090,530,538.40x = 416,886,625,426.32 × 171,879,381,972.18
  4. Step 4: Simplify right side
    302,090,530,538.40x = 71,654,215,530,743,578,230,784
  5. Step 5: Solve for x
    x = 71,654,215,530,743,578,230,784/302,090,530,538.40
  6. Step 6: Final answer
    x = 237,194,510,543.04

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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.