Home / 1,889,663,903.20-2,834,921,007.60-1,112,909,737.60

Finding the Fourth Proportional to 1,889,663,903.20, 2,834,921,007.60 and 1,112,909,737.60

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Solution

The fourth proportional to 1,889,663,903.20, 2,834,921,007.60 and 1,112,909,737.60 is: 1,669,614,998.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,663,903.20 : 2,834,921,007.60 = 1,112,909,737.60 : x
  2. Step 2: Convert to fraction form
    1,889,663,903.20/2,834,921,007.60 = 1,112,909,737.60/x
  3. Step 3: Cross multiply
    1,889,663,903.20x = 2,834,921,007.60 × 1,112,909,737.60
  4. Step 4: Simplify right side
    1,889,663,903.20x = 3,155,011,194,684,843,008
  5. Step 5: Solve for x
    x = 3,155,011,194,684,843,008/1,889,663,903.20
  6. Step 6: Final answer
    x = 1,669,614,998.38

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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.