Home / 626,517,383.10-939,776,074.65-381,629,370.30

Finding the Fourth Proportional to 626,517,383.10, 939,776,074.65 and 381,629,370.30

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Solution

The fourth proportional to 626,517,383.10, 939,776,074.65 and 381,629,370.30 is: 572,444,055.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,517,383.10 : 939,776,074.65 = 381,629,370.30 : x
  2. Step 2: Convert to fraction form
    626,517,383.10/939,776,074.65 = 381,629,370.30/x
  3. Step 3: Cross multiply
    626,517,383.10x = 939,776,074.65 × 381,629,370.30
  4. Step 4: Simplify right side
    626,517,383.10x = 358,646,151,591,685,312
  5. Step 5: Solve for x
    x = 358,646,151,591,685,312/626,517,383.10
  6. Step 6: Final answer
    x = 572,444,055.45

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Double scale
Find fourth proportional to 626,517,384.10, 939,776,076.15 and 381,629,371.30
Similar ratio
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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.