Home / 18,516,650,578.63-25,553,680,223.78-10,378,604,403.56

Finding the Fourth Proportional to 18,516,650,578.63, 25,553,680,223.78 and 10,378,604,403.56

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Solution

The fourth proportional to 18,516,650,578.63, 25,553,680,223.78 and 10,378,604,403.56 is: 14,322,867,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,516,650,578.63 : 25,553,680,223.78 = 10,378,604,403.56 : x
  2. Step 2: Convert to fraction form
    18,516,650,578.63/25,553,680,223.78 = 10,378,604,403.56/x
  3. Step 3: Cross multiply
    18,516,650,578.63x = 25,553,680,223.78 × 10,378,604,403.56
  4. Step 4: Simplify right side
    18,516,650,578.63x = 265,211,538,097,717,542,912
  5. Step 5: Solve for x
    x = 265,211,538,097,717,542,912/18,516,650,578.63
  6. Step 6: Final answer
    x = 14,322,867,787.11

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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.