Home / 1,395,459,476.70-1,925,647,309.32-768,892,841.34

Finding the Fourth Proportional to 1,395,459,476.70, 1,925,647,309.32 and 768,892,841.34

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Solution

The fourth proportional to 1,395,459,476.70, 1,925,647,309.32 and 768,892,841.34 is: 1,061,024,311.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,459,476.70 : 1,925,647,309.32 = 768,892,841.34 : x
  2. Step 2: Convert to fraction form
    1,395,459,476.70/1,925,647,309.32 = 768,892,841.34/x
  3. Step 3: Cross multiply
    1,395,459,476.70x = 1,925,647,309.32 × 768,892,841.34
  4. Step 4: Simplify right side
    1,395,459,476.70x = 1,480,616,431,081,780,736
  5. Step 5: Solve for x
    x = 1,480,616,431,081,780,736/1,395,459,476.70
  6. Step 6: Final answer
    x = 1,061,024,311.92

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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.