Home / 291,033,927.20-436,550,890.80-251,919,869.60

Finding the Fourth Proportional to 291,033,927.20, 436,550,890.80 and 251,919,869.60

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Solution

The fourth proportional to 291,033,927.20, 436,550,890.80 and 251,919,869.60 is: 377,879,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,033,927.20 : 436,550,890.80 = 251,919,869.60 : x
  2. Step 2: Convert to fraction form
    291,033,927.20/436,550,890.80 = 251,919,869.60/x
  3. Step 3: Cross multiply
    291,033,927.20x = 436,550,890.80 × 251,919,869.60
  4. Step 4: Simplify right side
    291,033,927.20x = 109,975,843,484,099,840
  5. Step 5: Solve for x
    x = 109,975,843,484,099,840/291,033,927.20
  6. Step 6: Final answer
    x = 377,879,804.40

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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.