Home / 10,962,683,918.38-15,128,112,377.68-6,204,857,641.21

Finding the Fourth Proportional to 10,962,683,918.38, 15,128,112,377.68 and 6,204,857,641.21

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Solution

The fourth proportional to 10,962,683,918.38, 15,128,112,377.68 and 6,204,857,641.21 is: 8,562,481,996.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,962,683,918.38 : 15,128,112,377.68 = 6,204,857,641.21 : x
  2. Step 2: Convert to fraction form
    10,962,683,918.38/15,128,112,377.68 = 6,204,857,641.21/x
  3. Step 3: Cross multiply
    10,962,683,918.38x = 15,128,112,377.68 × 6,204,857,641.21
  4. Step 4: Simplify right side
    10,962,683,918.38x = 93,867,783,683,688,071,168
  5. Step 5: Solve for x
    x = 93,867,783,683,688,071,168/10,962,683,918.38
  6. Step 6: Final answer
    x = 8,562,481,996.43

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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.