Home / 14,978,570,890.34-20,660,472,539.69-9,632,893,559.11

Finding the Fourth Proportional to 14,978,570,890.34, 20,660,472,539.69 and 9,632,893,559.11

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Solution

The fourth proportional to 14,978,570,890.34, 20,660,472,539.69 and 9,632,893,559.11 is: 13,286,990,749.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,978,570,890.34 : 20,660,472,539.69 = 9,632,893,559.11 : x
  2. Step 2: Convert to fraction form
    14,978,570,890.34/20,660,472,539.69 = 9,632,893,559.11/x
  3. Step 3: Cross multiply
    14,978,570,890.34x = 20,660,472,539.69 × 9,632,893,559.11
  4. Step 4: Simplify right side
    14,978,570,890.34x = 199,020,132,855,649,009,664
  5. Step 5: Solve for x
    x = 199,020,132,855,649,009,664/14,978,570,890.34
  6. Step 6: Final answer
    x = 13,286,990,749.16

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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.