Home / 305,552,161-421,672,167.13-171,613,680.20

Finding the Fourth Proportional to 305,552,161, 421,672,167.13 and 171,613,680.20

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Solution

The fourth proportional to 305,552,161, 421,672,167.13 and 171,613,680.20 is: 236,832,599.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,552,161 : 421,672,167.13 = 171,613,680.20 : x
  2. Step 2: Convert to fraction form
    305,552,161/421,672,167.13 = 171,613,680.20/x
  3. Step 3: Cross multiply
    305,552,161x = 421,672,167.13 × 171,613,680.20
  4. Step 4: Simplify right side
    305,552,161x = 72,364,712,439,088,768
  5. Step 5: Solve for x
    x = 72,364,712,439,088,768/305,552,161
  6. Step 6: Final answer
    x = 236,832,599.06

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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.