Home / 942,184,830.22-1,412,622,779.34-417,267,891.78

Finding the Fourth Proportional to 942,184,830.22, 1,412,622,779.34 and 417,267,891.78

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Solution

The fourth proportional to 942,184,830.22, 1,412,622,779.34 and 417,267,891.78 is: 625,611,992.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,184,830.22 : 1,412,622,779.34 = 417,267,891.78 : x
  2. Step 2: Convert to fraction form
    942,184,830.22/1,412,622,779.34 = 417,267,891.78/x
  3. Step 3: Cross multiply
    942,184,830.22x = 1,412,622,779.34 × 417,267,891.78
  4. Step 4: Simplify right side
    942,184,830.22x = 589,442,129,015,605,888
  5. Step 5: Solve for x
    x = 589,442,129,015,605,888/942,184,830.22
  6. Step 6: Final answer
    x = 625,611,992.58

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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.