Home / 13,273,052,507.42-18,316,819,809.33-7,169,405,038.29

Finding the Fourth Proportional to 13,273,052,507.42, 18,316,819,809.33 and 7,169,405,038.29

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Solution

The fourth proportional to 13,273,052,507.42, 18,316,819,809.33 and 7,169,405,038.29 is: 9,893,782,922.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,273,052,507.42 : 18,316,819,809.33 = 7,169,405,038.29 : x
  2. Step 2: Convert to fraction form
    13,273,052,507.42/18,316,819,809.33 = 7,169,405,038.29/x
  3. Step 3: Cross multiply
    13,273,052,507.42x = 18,316,819,809.33 × 7,169,405,038.29
  4. Step 4: Simplify right side
    13,273,052,507.42x = 131,320,700,226,431,909,888
  5. Step 5: Solve for x
    x = 131,320,700,226,431,909,888/13,273,052,507.42
  6. Step 6: Final answer
    x = 9,893,782,922.43

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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.