Home / 472,392,577.80-708,588,866.70-325,077,132.60

Finding the Fourth Proportional to 472,392,577.80, 708,588,866.70 and 325,077,132.60

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Solution

The fourth proportional to 472,392,577.80, 708,588,866.70 and 325,077,132.60 is: 487,615,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,577.80 : 708,588,866.70 = 325,077,132.60 : x
  2. Step 2: Convert to fraction form
    472,392,577.80/708,588,866.70 = 325,077,132.60/x
  3. Step 3: Cross multiply
    472,392,577.80x = 708,588,866.70 × 325,077,132.60
  4. Step 4: Simplify right side
    472,392,577.80x = 230,346,036,979,119,648
  5. Step 5: Solve for x
    x = 230,346,036,979,119,648/472,392,577.80
  6. Step 6: Final answer
    x = 487,615,698.90

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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.