Home / 1,911,082,169,850.50-2,637,921,891,188.20-1,521,163,968,674.40

Finding the Fourth Proportional to 1,911,082,169,850.50, 2,637,921,891,188.20 and 1,521,163,968,674.40

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Solution

The fourth proportional to 1,911,082,169,850.50, 2,637,921,891,188.20 and 1,521,163,968,674.40 is: 2,099,706,541,329.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,911,082,169,850.50 : 2,637,921,891,188.20 = 1,521,163,968,674.40 : x
  2. Step 2: Convert to fraction form
    1,911,082,169,850.50/2,637,921,891,188.20 = 1,521,163,968,674.40/x
  3. Step 3: Cross multiply
    1,911,082,169,850.50x = 2,637,921,891,188.20 × 1,521,163,968,674.40
  4. Step 4: Simplify right side
    1,911,082,169,850.50x = 4,012,711,733,052,920,865,751,040
  5. Step 5: Solve for x
    x = 4,012,711,733,052,920,865,751,040/1,911,082,169,850.50
  6. Step 6: Final answer
    x = 2,099,706,541,329.32

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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.