Home / 1,200,760,776.89-1,657,066,795.11-691,842,226.01

Finding the Fourth Proportional to 1,200,760,776.89, 1,657,066,795.11 and 691,842,226.01

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Solution

The fourth proportional to 1,200,760,776.89, 1,657,066,795.11 and 691,842,226.01 is: 954,752,022.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,760,776.89 : 1,657,066,795.11 = 691,842,226.01 : x
  2. Step 2: Convert to fraction form
    1,200,760,776.89/1,657,066,795.11 = 691,842,226.01/x
  3. Step 3: Cross multiply
    1,200,760,776.89x = 1,657,066,795.11 × 691,842,226.01
  4. Step 4: Simplify right side
    1,200,760,776.89x = 1,146,428,780,172,699,776
  5. Step 5: Solve for x
    x = 1,146,428,780,172,699,776/1,200,760,776.89
  6. Step 6: Final answer
    x = 954,752,022.42

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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.