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Finding the Fourth Proportional to 614,851,029.90, 922,276,544.85 and 555,542,214.30

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Solution

The fourth proportional to 614,851,029.90, 922,276,544.85 and 555,542,214.30 is: 833,313,321.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,851,029.90 : 922,276,544.85 = 555,542,214.30 : x
  2. Step 2: Convert to fraction form
    614,851,029.90/922,276,544.85 = 555,542,214.30/x
  3. Step 3: Cross multiply
    614,851,029.90x = 922,276,544.85 × 555,542,214.30
  4. Step 4: Simplify right side
    614,851,029.90x = 512,363,553,922,922,240
  5. Step 5: Solve for x
    x = 512,363,553,922,922,240/614,851,029.90
  6. Step 6: Final answer
    x = 833,313,321.45

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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.