Home / 39,428,749,381.56-54,430,436,594.40-26,415,339,639.60

Finding the Fourth Proportional to 39,428,749,381.56, 54,430,436,594.40 and 26,415,339,639.60

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Solution

The fourth proportional to 39,428,749,381.56, 54,430,436,594.40 and 26,415,339,639.60 is: 36,465,738,627.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,428,749,381.56 : 54,430,436,594.40 = 26,415,339,639.60 : x
  2. Step 2: Convert to fraction form
    39,428,749,381.56/54,430,436,594.40 = 26,415,339,639.60/x
  3. Step 3: Cross multiply
    39,428,749,381.56x = 54,430,436,594.40 × 26,415,339,639.60
  4. Step 4: Simplify right side
    39,428,749,381.56x = 1,437,798,469,372,788,604,928
  5. Step 5: Solve for x
    x = 1,437,798,469,372,788,604,928/39,428,749,381.56
  6. Step 6: Final answer
    x = 36,465,738,627.90

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.