Home / 3,779,139,347.40-5,668,709,021.10-3,398,202,438.60

Finding the Fourth Proportional to 3,779,139,347.40, 5,668,709,021.10 and 3,398,202,438.60

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Solution

The fourth proportional to 3,779,139,347.40, 5,668,709,021.10 and 3,398,202,438.60 is: 5,097,303,657.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,779,139,347.40 : 5,668,709,021.10 = 3,398,202,438.60 : x
  2. Step 2: Convert to fraction form
    3,779,139,347.40/5,668,709,021.10 = 3,398,202,438.60/x
  3. Step 3: Cross multiply
    3,779,139,347.40x = 5,668,709,021.10 × 3,398,202,438.60
  4. Step 4: Simplify right side
    3,779,139,347.40x = 19,263,420,819,215,839,232
  5. Step 5: Solve for x
    x = 19,263,420,819,215,839,232/3,779,139,347.40
  6. Step 6: Final answer
    x = 5,097,303,657.90

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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.