Home / 12,280,390,540.12-16,946,938,814.20-6,641,606,391.64

Finding the Fourth Proportional to 12,280,390,540.12, 16,946,938,814.20 and 6,641,606,391.64

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Solution

The fourth proportional to 12,280,390,540.12, 16,946,938,814.20 and 6,641,606,391.64 is: 9,165,416,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,280,390,540.12 : 16,946,938,814.20 = 6,641,606,391.64 : x
  2. Step 2: Convert to fraction form
    12,280,390,540.12/16,946,938,814.20 = 6,641,606,391.64/x
  3. Step 3: Cross multiply
    12,280,390,540.12x = 16,946,938,814.20 × 6,641,606,391.64
  4. Step 4: Simplify right side
    12,280,390,540.12x = 112,554,897,147,122,728,960
  5. Step 5: Solve for x
    x = 112,554,897,147,122,728,960/12,280,390,540.12
  6. Step 6: Final answer
    x = 9,165,416,749.52

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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.