Home / 21,945,702,559.86-30,285,902,000.16-12,300,610,804.20

Finding the Fourth Proportional to 21,945,702,559.86, 30,285,902,000.16 and 12,300,610,804.20

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Solution

The fourth proportional to 21,945,702,559.86, 30,285,902,000.16 and 12,300,610,804.20 is: 16,975,309,509.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,945,702,559.86 : 30,285,902,000.16 = 12,300,610,804.20 : x
  2. Step 2: Convert to fraction form
    21,945,702,559.86/30,285,902,000.16 = 12,300,610,804.20/x
  3. Step 3: Cross multiply
    21,945,702,559.86x = 30,285,902,000.16 × 12,300,610,804.20
  4. Step 4: Simplify right side
    21,945,702,559.86x = 372,535,093,358,110,507,008
  5. Step 5: Solve for x
    x = 372,535,093,358,110,507,008/21,945,702,559.86
  6. Step 6: Final answer
    x = 16,975,309,509.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.