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Finding the Fourth Proportional to 969,482,829.10, 1,454,646,813.10 and 339,666,711.80

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Solution

The fourth proportional to 969,482,829.10, 1,454,646,813.10 and 339,666,711.80 is: 509,648,118.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,482,829.10 : 1,454,646,813.10 = 339,666,711.80 : x
  2. Step 2: Convert to fraction form
    969,482,829.10/1,454,646,813.10 = 339,666,711.80/x
  3. Step 3: Cross multiply
    969,482,829.10x = 1,454,646,813.10 × 339,666,711.80
  4. Step 4: Simplify right side
    969,482,829.10x = 494,095,099,836,026,176
  5. Step 5: Solve for x
    x = 494,095,099,836,026,176/969,482,829.10
  6. Step 6: Final answer
    x = 509,648,118.57

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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.