Home / 939,449,081.60-1,409,173,622.40-590,256,915.20

Finding the Fourth Proportional to 939,449,081.60, 1,409,173,622.40 and 590,256,915.20

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Solution

The fourth proportional to 939,449,081.60, 1,409,173,622.40 and 590,256,915.20 is: 885,385,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,449,081.60 : 1,409,173,622.40 = 590,256,915.20 : x
  2. Step 2: Convert to fraction form
    939,449,081.60/1,409,173,622.40 = 590,256,915.20/x
  3. Step 3: Cross multiply
    939,449,081.60x = 1,409,173,622.40 × 590,256,915.20
  4. Step 4: Simplify right side
    939,449,081.60x = 831,774,475,339,033,728
  5. Step 5: Solve for x
    x = 831,774,475,339,033,728/939,449,081.60
  6. Step 6: Final answer
    x = 885,385,372.80

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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.