Home / 839,809,077.80-1,259,713,616.70-758,179,740.20

Finding the Fourth Proportional to 839,809,077.80, 1,259,713,616.70 and 758,179,740.20

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Solution

The fourth proportional to 839,809,077.80, 1,259,713,616.70 and 758,179,740.20 is: 1,137,269,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,077.80 : 1,259,713,616.70 = 758,179,740.20 : x
  2. Step 2: Convert to fraction form
    839,809,077.80/1,259,713,616.70 = 758,179,740.20/x
  3. Step 3: Cross multiply
    839,809,077.80x = 1,259,713,616.70 × 758,179,740.20
  4. Step 4: Simplify right side
    839,809,077.80x = 955,089,342,636,008,448
  5. Step 5: Solve for x
    x = 955,089,342,636,008,448/839,809,077.80
  6. Step 6: Final answer
    x = 1,137,269,610.30

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1.5x scale

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.