Home / 2,111,811,597.78-2,912,974,395.39-1,252,878,065.70

Finding the Fourth Proportional to 2,111,811,597.78, 2,912,974,395.39 and 1,252,878,065.70

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Solution

The fourth proportional to 2,111,811,597.78, 2,912,974,395.39 and 1,252,878,065.70 is: 1,728,185,284.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,111,811,597.78 : 2,912,974,395.39 = 1,252,878,065.70 : x
  2. Step 2: Convert to fraction form
    2,111,811,597.78/2,912,974,395.39 = 1,252,878,065.70/x
  3. Step 3: Cross multiply
    2,111,811,597.78x = 2,912,974,395.39 × 1,252,878,065.70
  4. Step 4: Simplify right side
    2,111,811,597.78x = 3,649,601,725,929,850,368
  5. Step 5: Solve for x
    x = 3,649,601,725,929,850,368/2,111,811,597.78
  6. Step 6: Final answer
    x = 1,728,185,284.03

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