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Finding the Fourth Proportional to 595,607,991.60, 891,648,390.60 and 442,930,897.20

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Solution

The fourth proportional to 595,607,991.60, 891,648,390.60 and 442,930,897.20 is: 663,084,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,607,991.60 : 891,648,390.60 = 442,930,897.20 : x
  2. Step 2: Convert to fraction form
    595,607,991.60/891,648,390.60 = 442,930,897.20/x
  3. Step 3: Cross multiply
    595,607,991.60x = 891,648,390.60 × 442,930,897.20
  4. Step 4: Simplify right side
    595,607,991.60x = 394,938,621,635,394,048
  5. Step 5: Solve for x
    x = 394,938,621,635,394,048/595,607,991.60
  6. Step 6: Final answer
    x = 663,084,826.27

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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.