Home / 3,078,479,396.70-4,248,307,237.37-1,668,779,000.10

Finding the Fourth Proportional to 3,078,479,396.70, 4,248,307,237.37 and 1,668,779,000.10

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Solution

The fourth proportional to 3,078,479,396.70, 4,248,307,237.37 and 1,668,779,000.10 is: 2,302,918,093.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,479,396.70 : 4,248,307,237.37 = 1,668,779,000.10 : x
  2. Step 2: Convert to fraction form
    3,078,479,396.70/4,248,307,237.37 = 1,668,779,000.10/x
  3. Step 3: Cross multiply
    3,078,479,396.70x = 4,248,307,237.37 × 1,668,779,000.10
  4. Step 4: Simplify right side
    3,078,479,396.70x = 7,089,485,903,687,557,120
  5. Step 5: Solve for x
    x = 7,089,485,903,687,557,120/3,078,479,396.70
  6. Step 6: Final answer
    x = 2,302,918,093.68

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Double scale
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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.