Home / 528,435,820.40-792,653,730.60-332,015,226.80

Finding the Fourth Proportional to 528,435,820.40, 792,653,730.60 and 332,015,226.80

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Solution

The fourth proportional to 528,435,820.40, 792,653,730.60 and 332,015,226.80 is: 498,022,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,435,820.40 : 792,653,730.60 = 332,015,226.80 : x
  2. Step 2: Convert to fraction form
    528,435,820.40/792,653,730.60 = 332,015,226.80/x
  3. Step 3: Cross multiply
    528,435,820.40x = 792,653,730.60 × 332,015,226.80
  4. Step 4: Simplify right side
    528,435,820.40x = 263,173,108,139,025,120
  5. Step 5: Solve for x
    x = 263,173,108,139,025,120/528,435,820.40
  6. Step 6: Final answer
    x = 498,022,840.20

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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.