Home / 745,576,912.38-1,028,668,099.14-432,248,582.64

Finding the Fourth Proportional to 745,576,912.38, 1,028,668,099.14 and 432,248,582.64

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Solution

The fourth proportional to 745,576,912.38, 1,028,668,099.14 and 432,248,582.64 is: 596,370,837.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,576,912.38 : 1,028,668,099.14 = 432,248,582.64 : x
  2. Step 2: Convert to fraction form
    745,576,912.38/1,028,668,099.14 = 432,248,582.64/x
  3. Step 3: Cross multiply
    745,576,912.38x = 1,028,668,099.14 × 432,248,582.64
  4. Step 4: Simplify right side
    745,576,912.38x = 444,640,327,860,248,000
  5. Step 5: Solve for x
    x = 444,640,327,860,248,000/745,576,912.38
  6. Step 6: Final answer
    x = 596,370,837.77

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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.