Home / 16,690,495,934.40-25,038,767,210.40-8,388,489,969.60

Finding the Fourth Proportional to 16,690,495,934.40, 25,038,767,210.40 and 8,388,489,969.60

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Solution

The fourth proportional to 16,690,495,934.40, 25,038,767,210.40 and 8,388,489,969.60 is: 12,584,254,441.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,690,495,934.40 : 25,038,767,210.40 = 8,388,489,969.60 : x
  2. Step 2: Convert to fraction form
    16,690,495,934.40/25,038,767,210.40 = 8,388,489,969.60/x
  3. Step 3: Cross multiply
    16,690,495,934.40x = 25,038,767,210.40 × 8,388,489,969.60
  4. Step 4: Simplify right side
    16,690,495,934.40x = 210,037,447,595,589,795,840
  5. Step 5: Solve for x
    x = 210,037,447,595,589,795,840/16,690,495,934.40
  6. Step 6: Final answer
    x = 12,584,254,441.64

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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.