Home / 686,598,843.77-1,029,898,265.64-201,924,651.77

Finding the Fourth Proportional to 686,598,843.77, 1,029,898,265.64 and 201,924,651.77

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Solution

The fourth proportional to 686,598,843.77, 1,029,898,265.64 and 201,924,651.77 is: 302,886,977.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,598,843.77 : 1,029,898,265.64 = 201,924,651.77 : x
  2. Step 2: Convert to fraction form
    686,598,843.77/1,029,898,265.64 = 201,924,651.77/x
  3. Step 3: Cross multiply
    686,598,843.77x = 1,029,898,265.64 × 201,924,651.77
  4. Step 4: Simplify right side
    686,598,843.77x = 207,961,848,642,734,432
  5. Step 5: Solve for x
    x = 207,961,848,642,734,432/686,598,843.77
  6. Step 6: Final answer
    x = 302,886,977.65

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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.