Home / 1,641,731,939.16-2,265,592,260.87-889,046,413.80

Finding the Fourth Proportional to 1,641,731,939.16, 2,265,592,260.87 and 889,046,413.80

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Solution

The fourth proportional to 1,641,731,939.16, 2,265,592,260.87 and 889,046,413.80 is: 1,226,885,234.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,731,939.16 : 2,265,592,260.87 = 889,046,413.80 : x
  2. Step 2: Convert to fraction form
    1,641,731,939.16/2,265,592,260.87 = 889,046,413.80/x
  3. Step 3: Cross multiply
    1,641,731,939.16x = 2,265,592,260.87 × 889,046,413.80
  4. Step 4: Simplify right side
    1,641,731,939.16x = 2,014,216,674,659,507,456
  5. Step 5: Solve for x
    x = 2,014,216,674,659,507,456/1,641,731,939.16
  6. Step 6: Final answer
    x = 1,226,885,234.19

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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.