Home / 2,138,263,056.63-2,950,809,374.11-1,185,710,900.29

Finding the Fourth Proportional to 2,138,263,056.63, 2,950,809,374.11 and 1,185,710,900.29

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Solution

The fourth proportional to 2,138,263,056.63, 2,950,809,374.11 and 1,185,710,900.29 is: 1,636,284,566.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,138,263,056.63 : 2,950,809,374.11 = 1,185,710,900.29 : x
  2. Step 2: Convert to fraction form
    2,138,263,056.63/2,950,809,374.11 = 1,185,710,900.29/x
  3. Step 3: Cross multiply
    2,138,263,056.63x = 2,950,809,374.11 × 1,185,710,900.29
  4. Step 4: Simplify right side
    2,138,263,056.63x = 3,498,806,839,556,181,504
  5. Step 5: Solve for x
    x = 3,498,806,839,556,181,504/2,138,263,056.63
  6. Step 6: Final answer
    x = 1,636,284,566.91

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.