Home / 13,620,256,280.40-20,430,384,420.60-13,620,256,280.40

Finding the Fourth Proportional to 13,620,256,280.40, 20,430,384,420.60 and 13,620,256,280.40

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Solution

The fourth proportional to 13,620,256,280.40, 20,430,384,420.60 and 13,620,256,280.40 is: 20,430,384,420.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,620,256,280.40 : 20,430,384,420.60 = 13,620,256,280.40 : x
  2. Step 2: Convert to fraction form
    13,620,256,280.40/20,430,384,420.60 = 13,620,256,280.40/x
  3. Step 3: Cross multiply
    13,620,256,280.40x = 20,430,384,420.60 × 13,620,256,280.40
  4. Step 4: Simplify right side
    13,620,256,280.40x = 278,267,071,715,663,446,016
  5. Step 5: Solve for x
    x = 278,267,071,715,663,446,016/13,620,256,280.40
  6. Step 6: Final answer
    x = 20,430,384,420.60

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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.