Home / 776,067,376.80-1,164,101,065.20-367,920,688.80

Finding the Fourth Proportional to 776,067,376.80, 1,164,101,065.20 and 367,920,688.80

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Solution

The fourth proportional to 776,067,376.80, 1,164,101,065.20 and 367,920,688.80 is: 551,881,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,067,376.80 : 1,164,101,065.20 = 367,920,688.80 : x
  2. Step 2: Convert to fraction form
    776,067,376.80/1,164,101,065.20 = 367,920,688.80/x
  3. Step 3: Cross multiply
    776,067,376.80x = 1,164,101,065.20 × 367,920,688.80
  4. Step 4: Simplify right side
    776,067,376.80x = 428,296,865,741,197,760
  5. Step 5: Solve for x
    x = 428,296,865,741,197,760/776,067,376.80
  6. Step 6: Final answer
    x = 551,881,033.20

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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.