Home / 1,231,362,985.26-1,849,991,111.50-789,571,234.62

Finding the Fourth Proportional to 1,231,362,985.26, 1,849,991,111.50 and 789,571,234.62

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Solution

The fourth proportional to 1,231,362,985.26, 1,849,991,111.50 and 789,571,234.62 is: 1,186,246,284.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,362,985.26 : 1,849,991,111.50 = 789,571,234.62 : x
  2. Step 2: Convert to fraction form
    1,231,362,985.26/1,849,991,111.50 = 789,571,234.62/x
  3. Step 3: Cross multiply
    1,231,362,985.26x = 1,849,991,111.50 × 789,571,234.62
  4. Step 4: Simplify right side
    1,231,362,985.26x = 1,460,699,765,943,081,216
  5. Step 5: Solve for x
    x = 1,460,699,765,943,081,216/1,231,362,985.26
  6. Step 6: Final answer
    x = 1,186,246,284.34

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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.