Home / 1,107,622,609.52-1,528,989,847.62-690,141,164

Finding the Fourth Proportional to 1,107,622,609.52, 1,528,989,847.62 and 690,141,164

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Solution

The fourth proportional to 1,107,622,609.52, 1,528,989,847.62 and 690,141,164 is: 952,688,058.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,622,609.52 : 1,528,989,847.62 = 690,141,164 : x
  2. Step 2: Convert to fraction form
    1,107,622,609.52/1,528,989,847.62 = 690,141,164/x
  3. Step 3: Cross multiply
    1,107,622,609.52x = 1,528,989,847.62 × 690,141,164
  4. Step 4: Simplify right side
    1,107,622,609.52x = 1,055,218,833,180,649,344
  5. Step 5: Solve for x
    x = 1,055,218,833,180,649,344/1,107,622,609.52
  6. Step 6: Final answer
    x = 952,688,058.29

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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.