Home / 472,392,593.80-708,588,890.70-325,077,148.60

Finding the Fourth Proportional to 472,392,593.80, 708,588,890.70 and 325,077,148.60

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Solution

The fourth proportional to 472,392,593.80, 708,588,890.70 and 325,077,148.60 is: 487,615,722.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,593.80 : 708,588,890.70 = 325,077,148.60 : x
  2. Step 2: Convert to fraction form
    472,392,593.80/708,588,890.70 = 325,077,148.60/x
  3. Step 3: Cross multiply
    472,392,593.80x = 708,588,890.70 × 325,077,148.60
  4. Step 4: Simplify right side
    472,392,593.80x = 230,346,056,118,393,088
  5. Step 5: Solve for x
    x = 230,346,056,118,393,088/472,392,593.80
  6. Step 6: Final answer
    x = 487,615,722.90

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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.