Home / 1,889,619,458.40-2,834,429,187.60-1,864,139,061.60

Finding the Fourth Proportional to 1,889,619,458.40, 2,834,429,187.60 and 1,864,139,061.60

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Solution

The fourth proportional to 1,889,619,458.40, 2,834,429,187.60 and 1,864,139,061.60 is: 2,796,208,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,889,619,458.40 : 2,834,429,187.60 = 1,864,139,061.60 : x
  2. Step 2: Convert to fraction form
    1,889,619,458.40/2,834,429,187.60 = 1,864,139,061.60/x
  3. Step 3: Cross multiply
    1,889,619,458.40x = 2,834,429,187.60 × 1,864,139,061.60
  4. Step 4: Simplify right side
    1,889,619,458.40x = 5,283,770,165,944,313,856
  5. Step 5: Solve for x
    x = 5,283,770,165,944,313,856/1,889,619,458.40
  6. Step 6: Final answer
    x = 2,796,208,592.40

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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.