Home / 2,205,785,209.20-3,308,677,813.80-979,077,663.60

Finding the Fourth Proportional to 2,205,785,209.20, 3,308,677,813.80 and 979,077,663.60

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Solution

The fourth proportional to 2,205,785,209.20, 3,308,677,813.80 and 979,077,663.60 is: 1,468,616,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205,785,209.20 : 3,308,677,813.80 = 979,077,663.60 : x
  2. Step 2: Convert to fraction form
    2,205,785,209.20/3,308,677,813.80 = 979,077,663.60/x
  3. Step 3: Cross multiply
    2,205,785,209.20x = 3,308,677,813.80 × 979,077,663.60
  4. Step 4: Simplify right side
    2,205,785,209.20x = 3,239,452,543,540,460,032
  5. Step 5: Solve for x
    x = 3,239,452,543,540,460,032/2,205,785,209.20
  6. Step 6: Final answer
    x = 1,468,616,495.40

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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.