Home / 302,090,530,526.79-416,886,625,410.30-171,879,381,960.64

Finding the Fourth Proportional to 302,090,530,526.79, 416,886,625,410.30 and 171,879,381,960.64

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Solution

The fourth proportional to 302,090,530,526.79, 416,886,625,410.30 and 171,879,381,960.64 is: 237,194,510,527.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,090,530,526.79 : 416,886,625,410.30 = 171,879,381,960.64 : x
  2. Step 2: Convert to fraction form
    302,090,530,526.79/416,886,625,410.30 = 171,879,381,960.64/x
  3. Step 3: Cross multiply
    302,090,530,526.79x = 416,886,625,410.30 × 171,879,381,960.64
  4. Step 4: Simplify right side
    302,090,530,526.79x = 71,654,215,523,179,209,687,040
  5. Step 5: Solve for x
    x = 71,654,215,523,179,209,687,040/302,090,530,526.79
  6. Step 6: Final answer
    x = 237,194,510,527.12

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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.