Home / 1,909,691,943.80-2,864,537,915.70-1,819,293,829.70

Finding the Fourth Proportional to 1,909,691,943.80, 2,864,537,915.70 and 1,819,293,829.70

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Solution

The fourth proportional to 1,909,691,943.80, 2,864,537,915.70 and 1,819,293,829.70 is: 2,728,940,744.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,909,691,943.80 : 2,864,537,915.70 = 1,819,293,829.70 : x
  2. Step 2: Convert to fraction form
    1,909,691,943.80/2,864,537,915.70 = 1,819,293,829.70/x
  3. Step 3: Cross multiply
    1,909,691,943.80x = 2,864,537,915.70 × 1,819,293,829.70
  4. Step 4: Simplify right side
    1,909,691,943.80x = 5,211,436,154,974,708,736
  5. Step 5: Solve for x
    x = 5,211,436,154,974,708,736/1,909,691,943.80
  6. Step 6: Final answer
    x = 2,728,940,744.55

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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.