Home / 3,779,142,751.20-5,668,714,126.80-1,325,160,789.60

Finding the Fourth Proportional to 3,779,142,751.20, 5,668,714,126.80 and 1,325,160,789.60

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Solution

The fourth proportional to 3,779,142,751.20, 5,668,714,126.80 and 1,325,160,789.60 is: 1,987,741,184.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,142,751.20 : 5,668,714,126.80 = 1,325,160,789.60 : x
  2. Step 2: Convert to fraction form
    3,779,142,751.20/5,668,714,126.80 = 1,325,160,789.60/x
  3. Step 3: Cross multiply
    3,779,142,751.20x = 5,668,714,126.80 × 1,325,160,789.60
  4. Step 4: Simplify right side
    3,779,142,751.20x = 7,511,957,688,286,962,688
  5. Step 5: Solve for x
    x = 7,511,957,688,286,962,688/3,779,142,751.20
  6. Step 6: Final answer
    x = 1,987,741,184.40

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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.