Home / 944,208,494.31-1,303,008,977.31-520,812,660.45

Finding the Fourth Proportional to 944,208,494.31, 1,303,008,977.31 and 520,812,660.45

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Solution

The fourth proportional to 944,208,494.31, 1,303,008,977.31 and 520,812,660.45 is: 718,722,163.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    944,208,494.31 : 1,303,008,977.31 = 520,812,660.45 : x
  2. Step 2: Convert to fraction form
    944,208,494.31/1,303,008,977.31 = 520,812,660.45/x
  3. Step 3: Cross multiply
    944,208,494.31x = 1,303,008,977.31 × 520,812,660.45
  4. Step 4: Simplify right side
    944,208,494.31x = 678,623,572,063,054,720
  5. Step 5: Solve for x
    x = 678,623,572,063,054,720/944,208,494.31
  6. Step 6: Final answer
    x = 718,722,163.75

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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.