Home / 1,210,770,853.32-1,670,863,761-653,853,884.04

Finding the Fourth Proportional to 1,210,770,853.32, 1,670,863,761 and 653,853,884.04

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Solution

The fourth proportional to 1,210,770,853.32, 1,670,863,761 and 653,853,884.04 is: 902,318,351.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,770,853.32 : 1,670,863,761 = 653,853,884.04 : x
  2. Step 2: Convert to fraction form
    1,210,770,853.32/1,670,863,761 = 653,853,884.04/x
  3. Step 3: Cross multiply
    1,210,770,853.32x = 1,670,863,761 × 653,853,884.04
  4. Step 4: Simplify right side
    1,210,770,853.32x = 1,092,500,759,831,532,160
  5. Step 5: Solve for x
    x = 1,092,500,759,831,532,160/1,210,770,853.32
  6. Step 6: Final answer
    x = 902,318,351.02

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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.