Home / 529,408,060.21-792,578,585.85-398,800,392.20

Finding the Fourth Proportional to 529,408,060.21, 792,578,585.85 and 398,800,392.20

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Solution

The fourth proportional to 529,408,060.21, 792,578,585.85 and 398,800,392.20 is: 597,045,407.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,408,060.21 : 792,578,585.85 = 398,800,392.20 : x
  2. Step 2: Convert to fraction form
    529,408,060.21/792,578,585.85 = 398,800,392.20/x
  3. Step 3: Cross multiply
    529,408,060.21x = 792,578,585.85 × 398,800,392.20
  4. Step 4: Simplify right side
    529,408,060.21x = 316,080,650,883,815,168
  5. Step 5: Solve for x
    x = 316,080,650,883,815,168/529,408,060.21
  6. Step 6: Final answer
    x = 597,045,407.20

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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.