Home / 208,459,989,522.45-287,658,997,999.58-116,990,874,687.79

Finding the Fourth Proportional to 208,459,989,522.45, 287,658,997,999.58 and 116,990,874,687.79

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Solution

The fourth proportional to 208,459,989,522.45, 287,658,997,999.58 and 116,990,874,687.79 is: 161,438,546,863.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,459,989,522.45 : 287,658,997,999.58 = 116,990,874,687.79 : x
  2. Step 2: Convert to fraction form
    208,459,989,522.45/287,658,997,999.58 = 116,990,874,687.79/x
  3. Step 3: Cross multiply
    208,459,989,522.45x = 287,658,997,999.58 × 116,990,874,687.79
  4. Step 4: Simplify right side
    208,459,989,522.45x = 33,653,477,787,784,099,921,920
  5. Step 5: Solve for x
    x = 33,653,477,787,784,099,921,920/208,459,989,522.45
  6. Step 6: Final answer
    x = 161,438,546,863.98

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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.