Home / 780,194,703.03-1,170,112,971.32-465,149,876.22

Finding the Fourth Proportional to 780,194,703.03, 1,170,112,971.32 and 465,149,876.22

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Solution

The fourth proportional to 780,194,703.03, 1,170,112,971.32 and 465,149,876.22 is: 697,618,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,194,703.03 : 1,170,112,971.32 = 465,149,876.22 : x
  2. Step 2: Convert to fraction form
    780,194,703.03/1,170,112,971.32 = 465,149,876.22/x
  3. Step 3: Cross multiply
    780,194,703.03x = 1,170,112,971.32 × 465,149,876.22
  4. Step 4: Simplify right side
    780,194,703.03x = 544,277,903,772,914,432
  5. Step 5: Solve for x
    x = 544,277,903,772,914,432/780,194,703.03
  6. Step 6: Final answer
    x = 697,618,045.42

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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.