Home / 1,383,017,974.63-1,908,570,555.23-747,938,466.42

Finding the Fourth Proportional to 1,383,017,974.63, 1,908,570,555.23 and 747,938,466.42

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Solution

The fourth proportional to 1,383,017,974.63, 1,908,570,555.23 and 747,938,466.42 is: 1,032,158,193.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,017,974.63 : 1,908,570,555.23 = 747,938,466.42 : x
  2. Step 2: Convert to fraction form
    1,383,017,974.63/1,908,570,555.23 = 747,938,466.42/x
  3. Step 3: Cross multiply
    1,383,017,974.63x = 1,908,570,555.23 × 747,938,466.42
  4. Step 4: Simplify right side
    1,383,017,974.63x = 1,427,493,334,133,094,144
  5. Step 5: Solve for x
    x = 1,427,493,334,133,094,144/1,383,017,974.63
  6. Step 6: Final answer
    x = 1,032,158,193.40

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Double scale
Find fourth proportional to 1,383,017,975.63, 1,908,570,556.61 and 747,938,467.42
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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.