Home / 745,576,909.38-1,028,668,095-432,248,579.64

Finding the Fourth Proportional to 745,576,909.38, 1,028,668,095 and 432,248,579.64

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Solution

The fourth proportional to 745,576,909.38, 1,028,668,095 and 432,248,579.64 is: 596,370,833.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,576,909.38 : 1,028,668,095 = 432,248,579.64 : x
  2. Step 2: Convert to fraction form
    745,576,909.38/1,028,668,095 = 432,248,579.64/x
  3. Step 3: Cross multiply
    745,576,909.38x = 1,028,668,095 × 432,248,579.64
  4. Step 4: Simplify right side
    745,576,909.38x = 444,640,322,984,734,592
  5. Step 5: Solve for x
    x = 444,640,322,984,734,592/745,576,909.38
  6. Step 6: Final answer
    x = 596,370,833.63

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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.