Home / 472,530,486.60-708,795,729.90-306,083,165.40

Finding the Fourth Proportional to 472,530,486.60, 708,795,729.90 and 306,083,165.40

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Solution

The fourth proportional to 472,530,486.60, 708,795,729.90 and 306,083,165.40 is: 459,124,748.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,530,486.60 : 708,795,729.90 = 306,083,165.40 : x
  2. Step 2: Convert to fraction form
    472,530,486.60/708,795,729.90 = 306,083,165.40/x
  3. Step 3: Cross multiply
    472,530,486.60x = 708,795,729.90 × 306,083,165.40
  4. Step 4: Simplify right side
    472,530,486.60x = 216,950,440,629,795,392
  5. Step 5: Solve for x
    x = 216,950,440,629,795,392/472,530,486.60
  6. Step 6: Final answer
    x = 459,124,748.10

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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.