Home / 12,872,709,738.60-19,309,064,607.90-11,127,882,647.40

Finding the Fourth Proportional to 12,872,709,738.60, 19,309,064,607.90 and 11,127,882,647.40

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Solution

The fourth proportional to 12,872,709,738.60, 19,309,064,607.90 and 11,127,882,647.40 is: 16,691,823,971.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,872,709,738.60 : 19,309,064,607.90 = 11,127,882,647.40 : x
  2. Step 2: Convert to fraction form
    12,872,709,738.60/19,309,064,607.90 = 11,127,882,647.40/x
  3. Step 3: Cross multiply
    12,872,709,738.60x = 19,309,064,607.90 × 11,127,882,647.40
  4. Step 4: Simplify right side
    12,872,709,738.60x = 214,869,004,987,775,909,888
  5. Step 5: Solve for x
    x = 214,869,004,987,775,909,888/12,872,709,738.60
  6. Step 6: Final answer
    x = 16,691,823,971.10

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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.