Home / 472,392,486.20-708,588,729.30-357,601,230.20

Finding the Fourth Proportional to 472,392,486.20, 708,588,729.30 and 357,601,230.20

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Solution

The fourth proportional to 472,392,486.20, 708,588,729.30 and 357,601,230.20 is: 536,401,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,392,486.20 : 708,588,729.30 = 357,601,230.20 : x
  2. Step 2: Convert to fraction form
    472,392,486.20/708,588,729.30 = 357,601,230.20/x
  3. Step 3: Cross multiply
    472,392,486.20x = 708,588,729.30 × 357,601,230.20
  4. Step 4: Simplify right side
    472,392,486.20x = 253,392,201,303,534,752
  5. Step 5: Solve for x
    x = 253,392,201,303,534,752/472,392,486.20
  6. Step 6: Final answer
    x = 536,401,845.30

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Similar ratio
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1.5x scale

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.