Home / 1,212,962,610.83-1,814,656,711.28-918,705,391.25

Finding the Fourth Proportional to 1,212,962,610.83, 1,814,656,711.28 and 918,705,391.25

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Solution

The fourth proportional to 1,212,962,610.83, 1,814,656,711.28 and 918,705,391.25 is: 1,374,432,228.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,962,610.83 : 1,814,656,711.28 = 918,705,391.25 : x
  2. Step 2: Convert to fraction form
    1,212,962,610.83/1,814,656,711.28 = 918,705,391.25/x
  3. Step 3: Cross multiply
    1,212,962,610.83x = 1,814,656,711.28 × 918,705,391.25
  4. Step 4: Simplify right side
    1,212,962,610.83x = 1,667,134,903,907,264,000
  5. Step 5: Solve for x
    x = 1,667,134,903,907,264,000/1,212,962,610.83
  6. Step 6: Final answer
    x = 1,374,432,228.19

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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.