Home / 806,997,257.70-1,113,621,807.06-449,746,024.56

Finding the Fourth Proportional to 806,997,257.70, 1,113,621,807.06 and 449,746,024.56

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Solution

The fourth proportional to 806,997,257.70, 1,113,621,807.06 and 449,746,024.56 is: 620,630,337.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,997,257.70 : 1,113,621,807.06 = 449,746,024.56 : x
  2. Step 2: Convert to fraction form
    806,997,257.70/1,113,621,807.06 = 449,746,024.56/x
  3. Step 3: Cross multiply
    806,997,257.70x = 1,113,621,807.06 × 449,746,024.56
  4. Step 4: Simplify right side
    806,997,257.70x = 500,846,980,588,558,336
  5. Step 5: Solve for x
    x = 500,846,980,588,558,336/806,997,257.70
  6. Step 6: Final answer
    x = 620,630,337.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.