Home / 1,075,751,933.56-1,485,223,105.38-877,985,170.40

Finding the Fourth Proportional to 1,075,751,933.56, 1,485,223,105.38 and 877,985,170.40

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Solution

The fourth proportional to 1,075,751,933.56, 1,485,223,105.38 and 877,985,170.40 is: 1,212,178,961.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,751,933.56 : 1,485,223,105.38 = 877,985,170.40 : x
  2. Step 2: Convert to fraction form
    1,075,751,933.56/1,485,223,105.38 = 877,985,170.40/x
  3. Step 3: Cross multiply
    1,075,751,933.56x = 1,485,223,105.38 × 877,985,170.40
  4. Step 4: Simplify right side
    1,075,751,933.56x = 1,304,003,861,259,076,608
  5. Step 5: Solve for x
    x = 1,304,003,861,259,076,608/1,075,751,933.56
  6. Step 6: Final answer
    x = 1,212,178,961.13

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Double scale
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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.