Home / 13,460,866,530-18,575,653,589.64-7,520,463,646.80

Finding the Fourth Proportional to 13,460,866,530, 18,575,653,589.64 and 7,520,463,646.80

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Solution

The fourth proportional to 13,460,866,530, 18,575,653,589.64 and 7,520,463,646.80 is: 10,378,048,636.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,460,866,530 : 18,575,653,589.64 = 7,520,463,646.80 : x
  2. Step 2: Convert to fraction form
    13,460,866,530/18,575,653,589.64 = 7,520,463,646.80/x
  3. Step 3: Cross multiply
    13,460,866,530x = 18,575,653,589.64 × 7,520,463,646.80
  4. Step 4: Simplify right side
    13,460,866,530x = 139,697,527,536,437,542,912
  5. Step 5: Solve for x
    x = 139,697,527,536,437,542,912/13,460,866,530
  6. Step 6: Final answer
    x = 10,378,048,636.40

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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.