Home / 1,158,975,857.80-1,738,463,786.70-382,741,323.40

Finding the Fourth Proportional to 1,158,975,857.80, 1,738,463,786.70 and 382,741,323.40

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Solution

The fourth proportional to 1,158,975,857.80, 1,738,463,786.70 and 382,741,323.40 is: 574,111,985.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,975,857.80 : 1,738,463,786.70 = 382,741,323.40 : x
  2. Step 2: Convert to fraction form
    1,158,975,857.80/1,738,463,786.70 = 382,741,323.40/x
  3. Step 3: Cross multiply
    1,158,975,857.80x = 1,738,463,786.70 × 382,741,323.40
  4. Step 4: Simplify right side
    1,158,975,857.80x = 665,381,930,404,533,248
  5. Step 5: Solve for x
    x = 665,381,930,404,533,248/1,158,975,857.80
  6. Step 6: Final answer
    x = 574,111,985.10

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Half scale
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Double scale
Find fourth proportional to 1,158,975,858.80, 1,738,463,788.20 and 382,741,324.40
Similar ratio
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1.5x scale

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.