Home / 7,112,123,998.20-10,668,185,997.30-6,976,075,102.20

Finding the Fourth Proportional to 7,112,123,998.20, 10,668,185,997.30 and 6,976,075,102.20

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Solution

The fourth proportional to 7,112,123,998.20, 10,668,185,997.30 and 6,976,075,102.20 is: 10,464,112,653.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112,123,998.20 : 10,668,185,997.30 = 6,976,075,102.20 : x
  2. Step 2: Convert to fraction form
    7,112,123,998.20/10,668,185,997.30 = 6,976,075,102.20/x
  3. Step 3: Cross multiply
    7,112,123,998.20x = 10,668,185,997.30 × 6,976,075,102.20
  4. Step 4: Simplify right side
    7,112,123,998.20x = 74,422,066,721,403,191,296
  5. Step 5: Solve for x
    x = 74,422,066,721,403,191,296/7,112,123,998.20
  6. Step 6: Final answer
    x = 10,464,112,653.30

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Double scale
Find fourth proportional to 7,112,123,999.20, 10,668,185,998.80 and 6,976,075,103.20
Similar ratio
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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.