Home / 472,771,577.22-708,593,165.16-220,039,646.72

Finding the Fourth Proportional to 472,771,577.22, 708,593,165.16 and 220,039,646.72

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Solution

The fourth proportional to 472,771,577.22, 708,593,165.16 and 220,039,646.72 is: 329,796,877.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,771,577.22 : 708,593,165.16 = 220,039,646.72 : x
  2. Step 2: Convert to fraction form
    472,771,577.22/708,593,165.16 = 220,039,646.72/x
  3. Step 3: Cross multiply
    472,771,577.22x = 708,593,165.16 × 220,039,646.72
  4. Step 4: Simplify right side
    472,771,577.22x = 155,918,589,730,012,992
  5. Step 5: Solve for x
    x = 155,918,589,730,012,992/472,771,577.22
  6. Step 6: Final answer
    x = 329,796,877.06

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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.