Home / 949,388,768.10-1,424,083,152.15-639,452,376.90

Finding the Fourth Proportional to 949,388,768.10, 1,424,083,152.15 and 639,452,376.90

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Solution

The fourth proportional to 949,388,768.10, 1,424,083,152.15 and 639,452,376.90 is: 959,178,565.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,388,768.10 : 1,424,083,152.15 = 639,452,376.90 : x
  2. Step 2: Convert to fraction form
    949,388,768.10/1,424,083,152.15 = 639,452,376.90/x
  3. Step 3: Cross multiply
    949,388,768.10x = 1,424,083,152.15 × 639,452,376.90
  4. Step 4: Simplify right side
    949,388,768.10x = 910,633,356,545,561,856
  5. Step 5: Solve for x
    x = 910,633,356,545,561,856/949,388,768.10
  6. Step 6: Final answer
    x = 959,178,565.35

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Double scale
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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.