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Finding the Fourth Proportional to 13,575,480,018.70, 20,363,220,028.05 and 13,575,480,018.70

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Solution

The fourth proportional to 13,575,480,018.70, 20,363,220,028.05 and 13,575,480,018.70 is: 20,363,220,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,575,480,018.70 : 20,363,220,028.05 = 13,575,480,018.70 : x
  2. Step 2: Convert to fraction form
    13,575,480,018.70/20,363,220,028.05 = 13,575,480,018.70/x
  3. Step 3: Cross multiply
    13,575,480,018.70x = 20,363,220,028.05 × 13,575,480,018.70
  4. Step 4: Simplify right side
    13,575,480,018.70x = 276,440,486,607,184,429,056
  5. Step 5: Solve for x
    x = 276,440,486,607,184,429,056/13,575,480,018.70
  6. Step 6: Final answer
    x = 20,363,220,028.05

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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.