Home / 528,068,443.30-792,067,235.55-139,882,941.70

Finding the Fourth Proportional to 528,068,443.30, 792,067,235.55 and 139,882,941.70

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Solution

The fourth proportional to 528,068,443.30, 792,067,235.55 and 139,882,941.70 is: 209,815,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,068,443.30 : 792,067,235.55 = 139,882,941.70 : x
  2. Step 2: Convert to fraction form
    528,068,443.30/792,067,235.55 = 139,882,941.70/x
  3. Step 3: Cross multiply
    528,068,443.30x = 792,067,235.55 × 139,882,941.70
  4. Step 4: Simplify right side
    528,068,443.30x = 110,796,694,932,920,800
  5. Step 5: Solve for x
    x = 110,796,694,932,920,800/528,068,443.30
  6. Step 6: Final answer
    x = 209,815,027.46

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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.