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Finding the Fourth Proportional to 339,903,277.60, 509,854,916.40 and 110,037,330.40

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Solution

The fourth proportional to 339,903,277.60, 509,854,916.40 and 110,037,330.40 is: 165,055,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,903,277.60 : 509,854,916.40 = 110,037,330.40 : x
  2. Step 2: Convert to fraction form
    339,903,277.60/509,854,916.40 = 110,037,330.40/x
  3. Step 3: Cross multiply
    339,903,277.60x = 509,854,916.40 × 110,037,330.40
  4. Step 4: Simplify right side
    339,903,277.60x = 56,103,073,891,971,176
  5. Step 5: Solve for x
    x = 56,103,073,891,971,176/339,903,277.60
  6. Step 6: Final answer
    x = 165,055,995.60

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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.