Home / 156,598,272,648.40-234,897,408,972.60-139,475,445,998.80

Finding the Fourth Proportional to 156,598,272,648.40, 234,897,408,972.60 and 139,475,445,998.80

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Solution

The fourth proportional to 156,598,272,648.40, 234,897,408,972.60 and 139,475,445,998.80 is: 209,213,168,998.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,598,272,648.40 : 234,897,408,972.60 = 139,475,445,998.80 : x
  2. Step 2: Convert to fraction form
    156,598,272,648.40/234,897,408,972.60 = 139,475,445,998.80/x
  3. Step 3: Cross multiply
    156,598,272,648.40x = 234,897,408,972.60 × 139,475,445,998.80
  4. Step 4: Simplify right side
    156,598,272,648.40x = 32,762,420,880,415,907,643,392
  5. Step 5: Solve for x
    x = 32,762,420,880,415,907,643,392/156,598,272,648.40
  6. Step 6: Final answer
    x = 209,213,168,998.20

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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.