Home / 1,096,162,211.80-1,644,243,317.70-319,886,343.10

Finding the Fourth Proportional to 1,096,162,211.80, 1,644,243,317.70 and 319,886,343.10

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Solution

The fourth proportional to 1,096,162,211.80, 1,644,243,317.70 and 319,886,343.10 is: 479,829,514.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,162,211.80 : 1,644,243,317.70 = 319,886,343.10 : x
  2. Step 2: Convert to fraction form
    1,096,162,211.80/1,644,243,317.70 = 319,886,343.10/x
  3. Step 3: Cross multiply
    1,096,162,211.80x = 1,644,243,317.70 × 319,886,343.10
  4. Step 4: Simplify right side
    1,096,162,211.80x = 525,970,982,065,664,576
  5. Step 5: Solve for x
    x = 525,970,982,065,664,576/1,096,162,211.80
  6. Step 6: Final answer
    x = 479,829,514.65

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Double scale
Find fourth proportional to 1,096,162,212.80, 1,644,243,319.20 and 319,886,344.10
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.