Home / 910,289,391.20-1,256,199,361.44-492,601,676.32

Finding the Fourth Proportional to 910,289,391.20, 1,256,199,361.44 and 492,601,676.32

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Solution

The fourth proportional to 910,289,391.20, 1,256,199,361.44 and 492,601,676.32 is: 679,790,314.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,289,391.20 : 1,256,199,361.44 = 492,601,676.32 : x
  2. Step 2: Convert to fraction form
    910,289,391.20/1,256,199,361.44 = 492,601,676.32/x
  3. Step 3: Cross multiply
    910,289,391.20x = 1,256,199,361.44 × 492,601,676.32
  4. Step 4: Simplify right side
    910,289,391.20x = 618,805,911,237,457,536
  5. Step 5: Solve for x
    x = 618,805,911,237,457,536/910,289,391.20
  6. Step 6: Final answer
    x = 679,790,314.18

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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.