Home / 879,445,379.80-1,319,912,087.10-362,246,998.60

Finding the Fourth Proportional to 879,445,379.80, 1,319,912,087.10 and 362,246,998.60

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Solution

The fourth proportional to 879,445,379.80, 1,319,912,087.10 and 362,246,998.60 is: 543,676,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,445,379.80 : 1,319,912,087.10 = 362,246,998.60 : x
  2. Step 2: Convert to fraction form
    879,445,379.80/1,319,912,087.10 = 362,246,998.60/x
  3. Step 3: Cross multiply
    879,445,379.80x = 1,319,912,087.10 × 362,246,998.60
  4. Step 4: Simplify right side
    879,445,379.80x = 478,134,191,967,836,800
  5. Step 5: Solve for x
    x = 478,134,191,967,836,800/879,445,379.80
  6. Step 6: Final answer
    x = 543,676,961.58

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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.