Home / 262,106,495,996.80-393,159,743,995.20-254,759,855,612.80

Finding the Fourth Proportional to 262,106,495,996.80, 393,159,743,995.20 and 254,759,855,612.80

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Solution

The fourth proportional to 262,106,495,996.80, 393,159,743,995.20 and 254,759,855,612.80 is: 382,139,783,419.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,106,495,996.80 : 393,159,743,995.20 = 254,759,855,612.80 : x
  2. Step 2: Convert to fraction form
    262,106,495,996.80/393,159,743,995.20 = 254,759,855,612.80/x
  3. Step 3: Cross multiply
    262,106,495,996.80x = 393,159,743,995.20 × 254,759,855,612.80
  4. Step 4: Simplify right side
    262,106,495,996.80x = 100,161,319,612,982,568,681,472
  5. Step 5: Solve for x
    x = 100,161,319,612,982,568,681,472/262,106,495,996.80
  6. Step 6: Final answer
    x = 382,139,783,419.20

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1.5x scale

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.