Home / 15,351,313,164.45-21,185,908,414.07-8,484,562,072.74

Finding the Fourth Proportional to 15,351,313,164.45, 21,185,908,414.07 and 8,484,562,072.74

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Solution

The fourth proportional to 15,351,313,164.45, 21,185,908,414.07 and 8,484,562,072.74 is: 11,709,301,548.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,351,313,164.45 : 21,185,908,414.07 = 8,484,562,072.74 : x
  2. Step 2: Convert to fraction form
    15,351,313,164.45/21,185,908,414.07 = 8,484,562,072.74/x
  3. Step 3: Cross multiply
    15,351,313,164.45x = 21,185,908,414.07 × 8,484,562,072.74
  4. Step 4: Simplify right side
    15,351,313,164.45x = 179,753,155,006,599,626,752
  5. Step 5: Solve for x
    x = 179,753,155,006,599,626,752/15,351,313,164.45
  6. Step 6: Final answer
    x = 11,709,301,548.41

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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.