Home / 3,779,142,740.70-5,668,714,111.05-1,325,160,779.10

Finding the Fourth Proportional to 3,779,142,740.70, 5,668,714,111.05 and 1,325,160,779.10

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Solution

The fourth proportional to 3,779,142,740.70, 5,668,714,111.05 and 1,325,160,779.10 is: 1,987,741,168.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,142,740.70 : 5,668,714,111.05 = 1,325,160,779.10 : x
  2. Step 2: Convert to fraction form
    3,779,142,740.70/5,668,714,111.05 = 1,325,160,779.10/x
  3. Step 3: Cross multiply
    3,779,142,740.70x = 5,668,714,111.05 × 1,325,160,779.10
  4. Step 4: Simplify right side
    3,779,142,740.70x = 7,511,957,607,894,181,888
  5. Step 5: Solve for x
    x = 7,511,957,607,894,181,888/3,779,142,740.70
  6. Step 6: Final answer
    x = 1,987,741,168.65

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Double scale
Find fourth proportional to 3,779,142,741.70, 5,668,714,112.55 and 1,325,160,780.10
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.