Home / 1,014,382,558.67-1,520,511,867.09-424,510,762.48

Finding the Fourth Proportional to 1,014,382,558.67, 1,520,511,867.09 and 424,510,762.48

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Solution

The fourth proportional to 1,014,382,558.67, 1,520,511,867.09 and 424,510,762.48 is: 636,321,717.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,382,558.67 : 1,520,511,867.09 = 424,510,762.48 : x
  2. Step 2: Convert to fraction form
    1,014,382,558.67/1,520,511,867.09 = 424,510,762.48/x
  3. Step 3: Cross multiply
    1,014,382,558.67x = 1,520,511,867.09 × 424,510,762.48
  4. Step 4: Simplify right side
    1,014,382,558.67x = 645,473,652,060,164,864
  5. Step 5: Solve for x
    x = 645,473,652,060,164,864/1,014,382,558.67
  6. Step 6: Final answer
    x = 636,321,717.62

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.