Home / 738,052,078.32-1,018,521,528.66-403,524,989.46

Finding the Fourth Proportional to 738,052,078.32, 1,018,521,528.66 and 403,524,989.46

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Solution

The fourth proportional to 738,052,078.32, 1,018,521,528.66 and 403,524,989.46 is: 556,869,767.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,052,078.32 : 1,018,521,528.66 = 403,524,989.46 : x
  2. Step 2: Convert to fraction form
    738,052,078.32/1,018,521,528.66 = 403,524,989.46/x
  3. Step 3: Cross multiply
    738,052,078.32x = 1,018,521,528.66 × 403,524,989.46
  4. Step 4: Simplify right side
    738,052,078.32x = 410,998,889,117,309,568
  5. Step 5: Solve for x
    x = 410,998,889,117,309,568/738,052,078.32
  6. Step 6: Final answer
    x = 556,869,767.31

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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.