Home / 1,216,734,105.24-1,679,093,950.14-659,817,011.16

Finding the Fourth Proportional to 1,216,734,105.24, 1,679,093,950.14 and 659,817,011.16

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Solution

The fourth proportional to 1,216,734,105.24, 1,679,093,950.14 and 659,817,011.16 is: 910,547,955.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,734,105.24 : 1,679,093,950.14 = 659,817,011.16 : x
  2. Step 2: Convert to fraction form
    1,216,734,105.24/1,679,093,950.14 = 659,817,011.16/x
  3. Step 3: Cross multiply
    1,216,734,105.24x = 1,679,093,950.14 × 659,817,011.16
  4. Step 4: Simplify right side
    1,216,734,105.24x = 1,107,894,751,638,212,864
  5. Step 5: Solve for x
    x = 1,107,894,751,638,212,864/1,216,734,105.24
  6. Step 6: Final answer
    x = 910,547,955.27

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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.