Home / 529,408,088.40-792,578,628.06-398,800,420.20

Finding the Fourth Proportional to 529,408,088.40, 792,578,628.06 and 398,800,420.20

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Solution

The fourth proportional to 529,408,088.40, 792,578,628.06 and 398,800,420.20 is: 597,045,449.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,408,088.40 : 792,578,628.06 = 398,800,420.20 : x
  2. Step 2: Convert to fraction form
    529,408,088.40/792,578,628.06 = 398,800,420.20/x
  3. Step 3: Cross multiply
    529,408,088.40x = 792,578,628.06 × 398,800,420.20
  4. Step 4: Simplify right side
    529,408,088.40x = 316,080,689,911,867,456
  5. Step 5: Solve for x
    x = 316,080,689,911,867,456/529,408,088.40
  6. Step 6: Final answer
    x = 597,045,449.13

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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.