Home / 12,037,896,720.81-18,056,730,181.55-7,317,522,207.23

Finding the Fourth Proportional to 12,037,896,720.81, 18,056,730,181.55 and 7,317,522,207.23

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Solution

The fourth proportional to 12,037,896,720.81, 18,056,730,181.55 and 7,317,522,207.23 is: 10,976,213,466.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,037,896,720.81 : 18,056,730,181.55 = 7,317,522,207.23 : x
  2. Step 2: Convert to fraction form
    12,037,896,720.81/18,056,730,181.55 = 7,317,522,207.23/x
  3. Step 3: Cross multiply
    12,037,896,720.81x = 18,056,730,181.55 × 7,317,522,207.23
  4. Step 4: Simplify right side
    12,037,896,720.81x = 132,130,524,093,325,443,072
  5. Step 5: Solve for x
    x = 132,130,524,093,325,443,072/12,037,896,720.81
  6. Step 6: Final answer
    x = 10,976,213,466.34

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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.