Home / 1,889,571,820.80-2,834,357,731.20-1,297,759,123.20

Finding the Fourth Proportional to 1,889,571,820.80, 2,834,357,731.20 and 1,297,759,123.20

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Solution

The fourth proportional to 1,889,571,820.80, 2,834,357,731.20 and 1,297,759,123.20 is: 1,946,638,684.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,571,820.80 : 2,834,357,731.20 = 1,297,759,123.20 : x
  2. Step 2: Convert to fraction form
    1,889,571,820.80/2,834,357,731.20 = 1,297,759,123.20/x
  3. Step 3: Cross multiply
    1,889,571,820.80x = 2,834,357,731.20 × 1,297,759,123.20
  4. Step 4: Simplify right side
    1,889,571,820.80x = 3,678,313,604,077,253,120
  5. Step 5: Solve for x
    x = 3,678,313,604,077,253,120/1,889,571,820.80
  6. Step 6: Final answer
    x = 1,946,638,684.80

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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.