Home / 1,309,343,443.80-1,964,273,895.12-480,304,785.84

Finding the Fourth Proportional to 1,309,343,443.80, 1,964,273,895.12 and 480,304,785.84

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Solution

The fourth proportional to 1,309,343,443.80, 1,964,273,895.12 and 480,304,785.84 is: 720,552,088.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,343,443.80 : 1,964,273,895.12 = 480,304,785.84 : x
  2. Step 2: Convert to fraction form
    1,309,343,443.80/1,964,273,895.12 = 480,304,785.84/x
  3. Step 3: Cross multiply
    1,309,343,443.80x = 1,964,273,895.12 × 480,304,785.84
  4. Step 4: Simplify right side
    1,309,343,443.80x = 943,450,152,526,714,112
  5. Step 5: Solve for x
    x = 943,450,152,526,714,112/1,309,343,443.80
  6. Step 6: Final answer
    x = 720,552,088.14

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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.