Home / 699,521,544.80-1,049,282,317.20-290,367,087.20

Finding the Fourth Proportional to 699,521,544.80, 1,049,282,317.20 and 290,367,087.20

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Solution

The fourth proportional to 699,521,544.80, 1,049,282,317.20 and 290,367,087.20 is: 435,550,630.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,521,544.80 : 1,049,282,317.20 = 290,367,087.20 : x
  2. Step 2: Convert to fraction form
    699,521,544.80/1,049,282,317.20 = 290,367,087.20/x
  3. Step 3: Cross multiply
    699,521,544.80x = 1,049,282,317.20 × 290,367,087.20
  4. Step 4: Simplify right side
    699,521,544.80x = 304,677,050,095,830,464
  5. Step 5: Solve for x
    x = 304,677,050,095,830,464/699,521,544.80
  6. Step 6: Final answer
    x = 435,550,630.80

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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.