Home / 982,476,398.39-1,355,836,301.48-536,457,445.97

Finding the Fourth Proportional to 982,476,398.39, 1,355,836,301.48 and 536,457,445.97

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Solution

The fourth proportional to 982,476,398.39, 1,355,836,301.48 and 536,457,445.97 is: 740,321,579.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,476,398.39 : 1,355,836,301.48 = 536,457,445.97 : x
  2. Step 2: Convert to fraction form
    982,476,398.39/1,355,836,301.48 = 536,457,445.97/x
  3. Step 3: Cross multiply
    982,476,398.39x = 1,355,836,301.48 × 536,457,445.97
  4. Step 4: Simplify right side
    982,476,398.39x = 727,348,479,445,371,776
  5. Step 5: Solve for x
    x = 727,348,479,445,371,776/982,476,398.39
  6. Step 6: Final answer
    x = 740,321,579.87

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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.