Home / 65,678,465,983.58-98,507,744,817.29-17,875,200,509.43

Finding the Fourth Proportional to 65,678,465,983.58, 98,507,744,817.29 and 17,875,200,509.43

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Solution

The fourth proportional to 65,678,465,983.58, 98,507,744,817.29 and 17,875,200,509.43 is: 26,810,091,617.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,678,465,983.58 : 98,507,744,817.29 = 17,875,200,509.43 : x
  2. Step 2: Convert to fraction form
    65,678,465,983.58/98,507,744,817.29 = 17,875,200,509.43/x
  3. Step 3: Cross multiply
    65,678,465,983.58x = 98,507,744,817.29 × 17,875,200,509.43
  4. Step 4: Simplify right side
    65,678,465,983.58x = 1,760,845,690,340,733,353,984
  5. Step 5: Solve for x
    x = 1,760,845,690,340,733,353,984/65,678,465,983.58
  6. Step 6: Final answer
    x = 26,810,091,617.87

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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.