Home / 902,201,642.58-1,245,297,749.14-544,912,667.22

Finding the Fourth Proportional to 902,201,642.58, 1,245,297,749.14 and 544,912,667.22

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Solution

The fourth proportional to 902,201,642.58, 1,245,297,749.14 and 544,912,667.22 is: 752,136,203.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,201,642.58 : 1,245,297,749.14 = 544,912,667.22 : x
  2. Step 2: Convert to fraction form
    902,201,642.58/1,245,297,749.14 = 544,912,667.22/x
  3. Step 3: Cross multiply
    902,201,642.58x = 1,245,297,749.14 × 544,912,667.22
  4. Step 4: Simplify right side
    902,201,642.58x = 678,578,517,966,939,904
  5. Step 5: Solve for x
    x = 678,578,517,966,939,904/902,201,642.58
  6. Step 6: Final answer
    x = 752,136,203.20

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1.5x scale

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.