Home / 1,075,557,486.40-1,613,336,229.60-531,361,902.40

Finding the Fourth Proportional to 1,075,557,486.40, 1,613,336,229.60 and 531,361,902.40

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Solution

The fourth proportional to 1,075,557,486.40, 1,613,336,229.60 and 531,361,902.40 is: 797,042,853.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,075,557,486.40 : 1,613,336,229.60 = 531,361,902.40 : x
  2. Step 2: Convert to fraction form
    1,075,557,486.40/1,613,336,229.60 = 531,361,902.40/x
  3. Step 3: Cross multiply
    1,075,557,486.40x = 1,613,336,229.60 × 531,361,902.40
  4. Step 4: Simplify right side
    1,075,557,486.40x = 857,265,408,171,099,136
  5. Step 5: Solve for x
    x = 857,265,408,171,099,136/1,075,557,486.40
  6. Step 6: Final answer
    x = 797,042,853.60

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Half scale
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Double scale
Find fourth proportional to 1,075,557,487.40, 1,613,336,231.10 and 531,361,903.40
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.