Home / 699,178,987.53-964,722,968.30-401,763,769.19

Finding the Fourth Proportional to 699,178,987.53, 964,722,968.30 and 401,763,769.19

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Solution

The fourth proportional to 699,178,987.53, 964,722,968.30 and 401,763,769.19 is: 554,351,236.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,178,987.53 : 964,722,968.30 = 401,763,769.19 : x
  2. Step 2: Convert to fraction form
    699,178,987.53/964,722,968.30 = 401,763,769.19/x
  3. Step 3: Cross multiply
    699,178,987.53x = 964,722,968.30 × 401,763,769.19
  4. Step 4: Simplify right side
    699,178,987.53x = 387,590,735,964,553,664
  5. Step 5: Solve for x
    x = 387,590,735,964,553,664/699,178,987.53
  6. Step 6: Final answer
    x = 554,351,236.06

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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.