Home / 13,213,585,985.10-19,820,378,977.65-9,287,725,029.90

Finding the Fourth Proportional to 13,213,585,985.10, 19,820,378,977.65 and 9,287,725,029.90

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Solution

The fourth proportional to 13,213,585,985.10, 19,820,378,977.65 and 9,287,725,029.90 is: 13,931,587,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,213,585,985.10 : 19,820,378,977.65 = 9,287,725,029.90 : x
  2. Step 2: Convert to fraction form
    13,213,585,985.10/19,820,378,977.65 = 9,287,725,029.90/x
  3. Step 3: Cross multiply
    13,213,585,985.10x = 19,820,378,977.65 × 9,287,725,029.90
  4. Step 4: Simplify right side
    13,213,585,985.10x = 184,086,229,932,823,674,880
  5. Step 5: Solve for x
    x = 184,086,229,932,823,674,880/13,213,585,985.10
  6. Step 6: Final answer
    x = 13,931,587,544.85

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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.