Home / 1,289,867,366.25-1,934,781,606.27-580,314,840.84

Finding the Fourth Proportional to 1,289,867,366.25, 1,934,781,606.27 and 580,314,840.84

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Solution

The fourth proportional to 1,289,867,366.25, 1,934,781,606.27 and 580,314,840.84 is: 870,463,513.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,867,366.25 : 1,934,781,606.27 = 580,314,840.84 : x
  2. Step 2: Convert to fraction form
    1,289,867,366.25/1,934,781,606.27 = 580,314,840.84/x
  3. Step 3: Cross multiply
    1,289,867,366.25x = 1,934,781,606.27 × 580,314,840.84
  4. Step 4: Simplify right side
    1,289,867,366.25x = 1,122,782,479,902,734,592
  5. Step 5: Solve for x
    x = 1,122,782,479,902,734,592/1,289,867,366.25
  6. Step 6: Final answer
    x = 870,463,513.75

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Double scale
Find fourth proportional to 1,289,867,367.25, 1,934,781,607.77 and 580,314,841.84
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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.