Home / 1,351,844,204.04-1,864,950,741.09-815,696,816.58

Finding the Fourth Proportional to 1,351,844,204.04, 1,864,950,741.09 and 815,696,816.58

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Solution

The fourth proportional to 1,351,844,204.04, 1,864,950,741.09 and 815,696,816.58 is: 1,125,303,032.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,844,204.04 : 1,864,950,741.09 = 815,696,816.58 : x
  2. Step 2: Convert to fraction form
    1,351,844,204.04/1,864,950,741.09 = 815,696,816.58/x
  3. Step 3: Cross multiply
    1,351,844,204.04x = 1,864,950,741.09 × 815,696,816.58
  4. Step 4: Simplify right side
    1,351,844,204.04x = 1,521,234,382,585,624,832
  5. Step 5: Solve for x
    x = 1,521,234,382,585,624,832/1,351,844,204.04
  6. Step 6: Final answer
    x = 1,125,303,032.73

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Double scale
Find fourth proportional to 1,351,844,205.04, 1,864,950,742.47 and 815,696,817.58
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1.5x scale

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.