Home / 1,395,590,509.40-1,925,927,640.06-769,081,416.44

Finding the Fourth Proportional to 1,395,590,509.40, 1,925,927,640.06 and 769,081,416.44

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Solution

The fourth proportional to 1,395,590,509.40, 1,925,927,640.06 and 769,081,416.44 is: 1,061,339,373.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,590,509.40 : 1,925,927,640.06 = 769,081,416.44 : x
  2. Step 2: Convert to fraction form
    1,395,590,509.40/1,925,927,640.06 = 769,081,416.44/x
  3. Step 3: Cross multiply
    1,395,590,509.40x = 1,925,927,640.06 × 769,081,416.44
  4. Step 4: Simplify right side
    1,395,590,509.40x = 1,481,195,157,378,291,456
  5. Step 5: Solve for x
    x = 1,481,195,157,378,291,456/1,395,590,509.40
  6. Step 6: Final answer
    x = 1,061,339,373.84

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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.