Home / 1,242,853,297.07-1,864,525,536.39-455,914,258.46

Finding the Fourth Proportional to 1,242,853,297.07, 1,864,525,536.39 and 455,914,258.46

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Solution

The fourth proportional to 1,242,853,297.07, 1,864,525,536.39 and 455,914,258.46 is: 683,961,477.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,853,297.07 : 1,864,525,536.39 = 455,914,258.46 : x
  2. Step 2: Convert to fraction form
    1,242,853,297.07/1,864,525,536.39 = 455,914,258.46/x
  3. Step 3: Cross multiply
    1,242,853,297.07x = 1,864,525,536.39 × 455,914,258.46
  4. Step 4: Simplify right side
    1,242,853,297.07x = 850,063,777,293,657,984
  5. Step 5: Solve for x
    x = 850,063,777,293,657,984/1,242,853,297.07
  6. Step 6: Final answer
    x = 683,961,477.43

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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.