Home / 691,096,383.10-1,036,644,574.65-230,974,765.30

Finding the Fourth Proportional to 691,096,383.10, 1,036,644,574.65 and 230,974,765.30

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Solution

The fourth proportional to 691,096,383.10, 1,036,644,574.65 and 230,974,765.30 is: 346,462,147.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,096,383.10 : 1,036,644,574.65 = 230,974,765.30 : x
  2. Step 2: Convert to fraction form
    691,096,383.10/1,036,644,574.65 = 230,974,765.30/x
  3. Step 3: Cross multiply
    691,096,383.10x = 1,036,644,574.65 × 230,974,765.30
  4. Step 4: Simplify right side
    691,096,383.10x = 239,438,737,329,302,080
  5. Step 5: Solve for x
    x = 239,438,737,329,302,080/691,096,383.10
  6. Step 6: Final answer
    x = 346,462,147.95

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Double scale
Find fourth proportional to 691,096,384.10, 1,036,644,576.15 and 230,974,766.30
Similar ratio
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1.5x scale

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.