Home / 982,476,397.89-1,355,836,300.79-536,457,445.47

Finding the Fourth Proportional to 982,476,397.89, 1,355,836,300.79 and 536,457,445.47

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Solution

The fourth proportional to 982,476,397.89, 1,355,836,300.79 and 536,457,445.47 is: 740,321,579.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,476,397.89 : 1,355,836,300.79 = 536,457,445.47 : x
  2. Step 2: Convert to fraction form
    982,476,397.89/1,355,836,300.79 = 536,457,445.47/x
  3. Step 3: Cross multiply
    982,476,397.89x = 1,355,836,300.79 × 536,457,445.47
  4. Step 4: Simplify right side
    982,476,397.89x = 727,348,478,397,297,920
  5. Step 5: Solve for x
    x = 727,348,478,397,297,920/982,476,397.89
  6. Step 6: Final answer
    x = 740,321,579.18

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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.