Home / 1,108,894,047.46-1,530,285,878.73-613,865,022.82

Finding the Fourth Proportional to 1,108,894,047.46, 1,530,285,878.73 and 613,865,022.82

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Solution

The fourth proportional to 1,108,894,047.46, 1,530,285,878.73 and 613,865,022.82 is: 847,140,426.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,894,047.46 : 1,530,285,878.73 = 613,865,022.82 : x
  2. Step 2: Convert to fraction form
    1,108,894,047.46/1,530,285,878.73 = 613,865,022.82/x
  3. Step 3: Cross multiply
    1,108,894,047.46x = 1,530,285,878.73 × 613,865,022.82
  4. Step 4: Simplify right side
    1,108,894,047.46x = 939,388,975,867,715,328
  5. Step 5: Solve for x
    x = 939,388,975,867,715,328/1,108,894,047.46
  6. Step 6: Final answer
    x = 847,140,426.10

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Double scale
Find fourth proportional to 1,108,894,048.46, 1,530,285,880.11 and 613,865,023.82
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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.