Home / 969,955,689.41-1,338,539,388.47-523,919,050.64

Finding the Fourth Proportional to 969,955,689.41, 1,338,539,388.47 and 523,919,050.64

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Solution

The fourth proportional to 969,955,689.41, 1,338,539,388.47 and 523,919,050.64 is: 723,008,579.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,955,689.41 : 1,338,539,388.47 = 523,919,050.64 : x
  2. Step 2: Convert to fraction form
    969,955,689.41/1,338,539,388.47 = 523,919,050.64/x
  3. Step 3: Cross multiply
    969,955,689.41x = 1,338,539,388.47 × 523,919,050.64
  4. Step 4: Simplify right side
    969,955,689.41x = 701,286,285,651,448,576
  5. Step 5: Solve for x
    x = 701,286,285,651,448,576/969,955,689.41
  6. Step 6: Final answer
    x = 723,008,579.99

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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.