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Finding the Fourth Proportional to 692,018,594.63, 954,982,223.43 and 374,478,616.79

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Solution

The fourth proportional to 692,018,594.63, 954,982,223.43 and 374,478,616.79 is: 516,778,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,018,594.63 : 954,982,223.43 = 374,478,616.79 : x
  2. Step 2: Convert to fraction form
    692,018,594.63/954,982,223.43 = 374,478,616.79/x
  3. Step 3: Cross multiply
    692,018,594.63x = 954,982,223.43 × 374,478,616.79
  4. Step 4: Simplify right side
    692,018,594.63x = 357,620,422,084,330,240
  5. Step 5: Solve for x
    x = 357,620,422,084,330,240/692,018,594.63
  6. Step 6: Final answer
    x = 516,778,631.18

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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.