Home / 465,658,805.10-698,369,066.36-138,057,713.58

Finding the Fourth Proportional to 465,658,805.10, 698,369,066.36 and 138,057,713.58

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Solution

The fourth proportional to 465,658,805.10, 698,369,066.36 and 138,057,713.58 is: 207,051,247.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,658,805.10 : 698,369,066.36 = 138,057,713.58 : x
  2. Step 2: Convert to fraction form
    465,658,805.10/698,369,066.36 = 138,057,713.58/x
  3. Step 3: Cross multiply
    465,658,805.10x = 698,369,066.36 × 138,057,713.58
  4. Step 4: Simplify right side
    465,658,805.10x = 96,415,236,536,660,912
  5. Step 5: Solve for x
    x = 96,415,236,536,660,912/465,658,805.10
  6. Step 6: Final answer
    x = 207,051,247.57

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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.