Home / 1,640,816,111.93-2,461,220,485.52-1,267,866,345.83

Finding the Fourth Proportional to 1,640,816,111.93, 2,461,220,485.52 and 1,267,866,345.83

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Solution

The fourth proportional to 1,640,816,111.93, 2,461,220,485.52 and 1,267,866,345.83 is: 1,901,796,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,816,111.93 : 2,461,220,485.52 = 1,267,866,345.83 : x
  2. Step 2: Convert to fraction form
    1,640,816,111.93/2,461,220,485.52 = 1,267,866,345.83/x
  3. Step 3: Cross multiply
    1,640,816,111.93x = 2,461,220,485.52 × 1,267,866,345.83
  4. Step 4: Simplify right side
    1,640,816,111.93x = 3,120,498,623,239,535,104
  5. Step 5: Solve for x
    x = 3,120,498,623,239,535,104/1,640,816,111.93
  6. Step 6: Final answer
    x = 1,901,796,673.35

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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.