Home / 13,586,983,436.16-20,373,656,515.81-7,916,404,512.91

Finding the Fourth Proportional to 13,586,983,436.16, 20,373,656,515.81 and 7,916,404,512.91

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Solution

The fourth proportional to 13,586,983,436.16, 20,373,656,515.81 and 7,916,404,512.91 is: 11,870,633,915.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,586,983,436.16 : 20,373,656,515.81 = 7,916,404,512.91 : x
  2. Step 2: Convert to fraction form
    13,586,983,436.16/20,373,656,515.81 = 7,916,404,512.91/x
  3. Step 3: Cross multiply
    13,586,983,436.16x = 20,373,656,515.81 × 7,916,404,512.91
  4. Step 4: Simplify right side
    13,586,983,436.16x = 161,286,106,386,134,663,168
  5. Step 5: Solve for x
    x = 161,286,106,386,134,663,168/13,586,983,436.16
  6. Step 6: Final answer
    x = 11,870,633,915.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.