Home / 1,014,382,740.27-1,520,512,133.58-424,510,943.22

Finding the Fourth Proportional to 1,014,382,740.27, 1,520,512,133.58 and 424,510,943.22

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Solution

The fourth proportional to 1,014,382,740.27, 1,520,512,133.58 and 424,510,943.22 is: 636,321,986.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,382,740.27 : 1,520,512,133.58 = 424,510,943.22 : x
  2. Step 2: Convert to fraction form
    1,014,382,740.27/1,520,512,133.58 = 424,510,943.22/x
  3. Step 3: Cross multiply
    1,014,382,740.27x = 1,520,512,133.58 × 424,510,943.22
  4. Step 4: Simplify right side
    1,014,382,740.27x = 645,474,040,003,500,416
  5. Step 5: Solve for x
    x = 645,474,040,003,500,416/1,014,382,740.27
  6. Step 6: Final answer
    x = 636,321,986.15

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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.