Home / 12,467,549,257.36-18,731,158,547.76-7,994,407,786.53

Finding the Fourth Proportional to 12,467,549,257.36, 18,731,158,547.76 and 7,994,407,786.53

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Solution

The fourth proportional to 12,467,549,257.36, 18,731,158,547.76 and 7,994,407,786.53 is: 12,010,742,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,467,549,257.36 : 18,731,158,547.76 = 7,994,407,786.53 : x
  2. Step 2: Convert to fraction form
    12,467,549,257.36/18,731,158,547.76 = 7,994,407,786.53/x
  3. Step 3: Cross multiply
    12,467,549,257.36x = 18,731,158,547.76 × 7,994,407,786.53
  4. Step 4: Simplify right side
    12,467,549,257.36x = 149,744,519,744,940,507,136
  5. Step 5: Solve for x
    x = 149,744,519,744,940,507,136/12,467,549,257.36
  6. Step 6: Final answer
    x = 12,010,742,179.87

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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.