Home / 1,303,387,333.94-1,798,739,144.08-808,509,474.74

Finding the Fourth Proportional to 1,303,387,333.94, 1,798,739,144.08 and 808,509,474.74

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Solution

The fourth proportional to 1,303,387,333.94, 1,798,739,144.08 and 808,509,474.74 is: 1,115,783,161.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,387,333.94 : 1,798,739,144.08 = 808,509,474.74 : x
  2. Step 2: Convert to fraction form
    1,303,387,333.94/1,798,739,144.08 = 808,509,474.74/x
  3. Step 3: Cross multiply
    1,303,387,333.94x = 1,798,739,144.08 × 808,509,474.74
  4. Step 4: Simplify right side
    1,303,387,333.94x = 1,454,297,640,576,873,472
  5. Step 5: Solve for x
    x = 1,454,297,640,576,873,472/1,303,387,333.94
  6. Step 6: Final answer
    x = 1,115,783,161.85

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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.