Home / 3,779,145,205.40-5,668,717,808.10-1,325,730,114.20

Finding the Fourth Proportional to 3,779,145,205.40, 5,668,717,808.10 and 1,325,730,114.20

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Solution

The fourth proportional to 3,779,145,205.40, 5,668,717,808.10 and 1,325,730,114.20 is: 1,988,595,171.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,145,205.40 : 5,668,717,808.10 = 1,325,730,114.20 : x
  2. Step 2: Convert to fraction form
    3,779,145,205.40/5,668,717,808.10 = 1,325,730,114.20/x
  3. Step 3: Cross multiply
    3,779,145,205.40x = 5,668,717,808.10 × 1,325,730,114.20
  4. Step 4: Simplify right side
    3,779,145,205.40x = 7,515,189,907,099,987,968
  5. Step 5: Solve for x
    x = 7,515,189,907,099,987,968/3,779,145,205.40
  6. Step 6: Final answer
    x = 1,988,595,171.30

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Double scale
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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.