Home / 14,131,339,813.25-21,203,269,315.60-7,406,883,665.21

Finding the Fourth Proportional to 14,131,339,813.25, 21,203,269,315.60 and 7,406,883,665.21

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Solution

The fourth proportional to 14,131,339,813.25, 21,203,269,315.60 and 7,406,883,665.21 is: 11,113,606,439.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,131,339,813.25 : 21,203,269,315.60 = 7,406,883,665.21 : x
  2. Step 2: Convert to fraction form
    14,131,339,813.25/21,203,269,315.60 = 7,406,883,665.21/x
  3. Step 3: Cross multiply
    14,131,339,813.25x = 21,203,269,315.60 × 7,406,883,665.21
  4. Step 4: Simplify right side
    14,131,339,813.25x = 157,050,149,142,689,677,312
  5. Step 5: Solve for x
    x = 157,050,149,142,689,677,312/14,131,339,813.25
  6. Step 6: Final answer
    x = 11,113,606,439.18

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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.