Home / 1,212,962,619.84-1,814,656,724.76-918,705,400.26

Finding the Fourth Proportional to 1,212,962,619.84, 1,814,656,724.76 and 918,705,400.26

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Solution

The fourth proportional to 1,212,962,619.84, 1,814,656,724.76 and 918,705,400.26 is: 1,374,432,241.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,962,619.84 : 1,814,656,724.76 = 918,705,400.26 : x
  2. Step 2: Convert to fraction form
    1,212,962,619.84/1,814,656,724.76 = 918,705,400.26/x
  3. Step 3: Cross multiply
    1,212,962,619.84x = 1,814,656,724.76 × 918,705,400.26
  4. Step 4: Simplify right side
    1,212,962,619.84x = 1,667,134,932,655,136,512
  5. Step 5: Solve for x
    x = 1,667,134,932,655,136,512/1,212,962,619.84
  6. Step 6: Final answer
    x = 1,374,432,241.68

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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.