Home / 3,779,144,828.55-5,668,717,242.83-2,860,814,780.55

Finding the Fourth Proportional to 3,779,144,828.55, 5,668,717,242.83 and 2,860,814,780.55

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Solution

The fourth proportional to 3,779,144,828.55, 5,668,717,242.83 and 2,860,814,780.55 is: 4,291,222,170.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,144,828.55 : 5,668,717,242.83 = 2,860,814,780.55 : x
  2. Step 2: Convert to fraction form
    3,779,144,828.55/5,668,717,242.83 = 2,860,814,780.55/x
  3. Step 3: Cross multiply
    3,779,144,828.55x = 5,668,717,242.83 × 2,860,814,780.55
  4. Step 4: Simplify right side
    3,779,144,828.55x = 16,217,150,075,032,403,968
  5. Step 5: Solve for x
    x = 16,217,150,075,032,403,968/3,779,144,828.55
  6. Step 6: Final answer
    x = 4,291,222,170.83

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Half scale
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Double scale
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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.