Home / 510,096,538,758.85-765,252,268,187.66-165,470,632,075.53

Finding the Fourth Proportional to 510,096,538,758.85, 765,252,268,187.66 and 165,470,632,075.53

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Solution

The fourth proportional to 510,096,538,758.85, 765,252,268,187.66 and 165,470,632,075.53 is: 248,240,807,166.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,096,538,758.85 : 765,252,268,187.66 = 165,470,632,075.53 : x
  2. Step 2: Convert to fraction form
    510,096,538,758.85/765,252,268,187.66 = 165,470,632,075.53/x
  3. Step 3: Cross multiply
    510,096,538,758.85x = 765,252,268,187.66 × 165,470,632,075.53
  4. Step 4: Simplify right side
    510,096,538,758.85x = 126,626,776,514,245,108,432,896
  5. Step 5: Solve for x
    x = 126,626,776,514,245,108,432,896/510,096,538,758.85
  6. Step 6: Final answer
    x = 248,240,807,166.32

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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.