Home / 1,369,967,042.40-1,890,554,532.06-743,435,470.36

Finding the Fourth Proportional to 1,369,967,042.40, 1,890,554,532.06 and 743,435,470.36

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Solution

The fourth proportional to 1,369,967,042.40, 1,890,554,532.06 and 743,435,470.36 is: 1,025,940,956.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,967,042.40 : 1,890,554,532.06 = 743,435,470.36 : x
  2. Step 2: Convert to fraction form
    1,369,967,042.40/1,890,554,532.06 = 743,435,470.36/x
  3. Step 3: Cross multiply
    1,369,967,042.40x = 1,890,554,532.06 × 743,435,470.36
  4. Step 4: Simplify right side
    1,369,967,042.40x = 1,405,505,297,783,255,808
  5. Step 5: Solve for x
    x = 1,405,505,297,783,255,808/1,369,967,042.40
  6. Step 6: Final answer
    x = 1,025,940,956.45

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1.5x scale

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.