Home / 12,782,310,976,457-19,171,529,191,041-3,478,863,025,164.30

Finding the Fourth Proportional to 12,782,310,976,457, 19,171,529,191,041 and 3,478,863,025,164.30

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Solution

The fourth proportional to 12,782,310,976,457, 19,171,529,191,041 and 3,478,863,025,164.30 is: 5,217,767,284,915.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,782,310,976,457 : 19,171,529,191,041 = 3,478,863,025,164.30 : x
  2. Step 2: Convert to fraction form
    12,782,310,976,457/19,171,529,191,041 = 3,478,863,025,164.30/x
  3. Step 3: Cross multiply
    12,782,310,976,457x = 19,171,529,191,041 × 3,478,863,025,164.30
  4. Step 4: Simplify right side
    12,782,310,976,457x = 66,695,124,038,570,575,931,637,760
  5. Step 5: Solve for x
    x = 66,695,124,038,570,575,931,637,760/12,782,310,976,457
  6. Step 6: Final answer
    x = 5,217,767,284,915.26

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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.