Home / 839,809,059.80-1,259,713,589.70-477,012,003.80

Finding the Fourth Proportional to 839,809,059.80, 1,259,713,589.70 and 477,012,003.80

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Solution

The fourth proportional to 839,809,059.80, 1,259,713,589.70 and 477,012,003.80 is: 715,518,005.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,059.80 : 1,259,713,589.70 = 477,012,003.80 : x
  2. Step 2: Convert to fraction form
    839,809,059.80/1,259,713,589.70 = 477,012,003.80/x
  3. Step 3: Cross multiply
    839,809,059.80x = 1,259,713,589.70 × 477,012,003.80
  4. Step 4: Simplify right side
    839,809,059.80x = 600,898,503,636,888,064
  5. Step 5: Solve for x
    x = 600,898,503,636,888,064/839,809,059.80
  6. Step 6: Final answer
    x = 715,518,005.70

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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.