Home / 11,962,641,975.38-16,509,386,985.63-6,812,907,193.52

Finding the Fourth Proportional to 11,962,641,975.38, 16,509,386,985.63 and 6,812,907,193.52

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Solution

The fourth proportional to 11,962,641,975.38, 16,509,386,985.63 and 6,812,907,193.52 is: 9,402,347,874.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,962,641,975.38 : 16,509,386,985.63 = 6,812,907,193.52 : x
  2. Step 2: Convert to fraction form
    11,962,641,975.38/16,509,386,985.63 = 6,812,907,193.52/x
  3. Step 3: Cross multiply
    11,962,641,975.38x = 16,509,386,985.63 × 6,812,907,193.52
  4. Step 4: Simplify right side
    11,962,641,975.38x = 112,476,921,355,004,100,608
  5. Step 5: Solve for x
    x = 112,476,921,355,004,100,608/11,962,641,975.38
  6. Step 6: Final answer
    x = 9,402,347,874.87

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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.