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Finding the Fourth Proportional to 748,684,216.05, 1,123,026,324.08 and 748,684,216.05

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Solution

The fourth proportional to 748,684,216.05, 1,123,026,324.08 and 748,684,216.05 is: 1,123,026,324.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,684,216.05 : 1,123,026,324.08 = 748,684,216.05 : x
  2. Step 2: Convert to fraction form
    748,684,216.05/1,123,026,324.08 = 748,684,216.05/x
  3. Step 3: Cross multiply
    748,684,216.05x = 1,123,026,324.08 × 748,684,216.05
  4. Step 4: Simplify right side
    748,684,216.05x = 840,792,083,043,604,608
  5. Step 5: Solve for x
    x = 840,792,083,043,604,608/748,684,216.05
  6. Step 6: Final answer
    x = 1,123,026,324.08

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Double scale
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1.5x scale

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.