Home / 12,782,310,976,423-19,171,529,190,990-3,478,863,025,130.20

Finding the Fourth Proportional to 12,782,310,976,423, 19,171,529,190,990 and 3,478,863,025,130.20

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Solution

The fourth proportional to 12,782,310,976,423, 19,171,529,190,990 and 3,478,863,025,130.20 is: 5,217,767,284,864.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,310,976,423 : 19,171,529,190,990 = 3,478,863,025,130.20 : x
  2. Step 2: Convert to fraction form
    12,782,310,976,423/19,171,529,190,990 = 3,478,863,025,130.20/x
  3. Step 3: Cross multiply
    12,782,310,976,423x = 19,171,529,190,990 × 3,478,863,025,130.20
  4. Step 4: Simplify right side
    12,782,310,976,423x = 66,695,124,037,739,413,860,515,840
  5. Step 5: Solve for x
    x = 66,695,124,037,739,413,860,515,840/12,782,310,976,423
  6. Step 6: Final answer
    x = 5,217,767,284,864.12

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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.