Home / 885,809,206.20-1,328,713,809.30-834,790,870.20

Finding the Fourth Proportional to 885,809,206.20, 1,328,713,809.30 and 834,790,870.20

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Solution

The fourth proportional to 885,809,206.20, 1,328,713,809.30 and 834,790,870.20 is: 1,252,186,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,809,206.20 : 1,328,713,809.30 = 834,790,870.20 : x
  2. Step 2: Convert to fraction form
    885,809,206.20/1,328,713,809.30 = 834,790,870.20/x
  3. Step 3: Cross multiply
    885,809,206.20x = 1,328,713,809.30 × 834,790,870.20
  4. Step 4: Simplify right side
    885,809,206.20x = 1,109,198,157,112,303,872
  5. Step 5: Solve for x
    x = 1,109,198,157,112,303,872/885,809,206.20
  6. Step 6: Final answer
    x = 1,252,186,305.30

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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.