Home / 472,392,595.35-708,588,893.03-265,768,334.55

Finding the Fourth Proportional to 472,392,595.35, 708,588,893.03 and 265,768,334.55

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Solution

The fourth proportional to 472,392,595.35, 708,588,893.03 and 265,768,334.55 is: 398,652,501.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,595.35 : 708,588,893.03 = 265,768,334.55 : x
  2. Step 2: Convert to fraction form
    472,392,595.35/708,588,893.03 = 265,768,334.55/x
  3. Step 3: Cross multiply
    472,392,595.35x = 708,588,893.03 × 265,768,334.55
  4. Step 4: Simplify right side
    472,392,595.35x = 188,320,489,979,882,368
  5. Step 5: Solve for x
    x = 188,320,489,979,882,368/472,392,595.35
  6. Step 6: Final answer
    x = 398,652,501.83

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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.