Home / 1,303,387,324.94-1,798,739,131.65-808,509,465.74

Finding the Fourth Proportional to 1,303,387,324.94, 1,798,739,131.65 and 808,509,465.74

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Solution

The fourth proportional to 1,303,387,324.94, 1,798,739,131.65 and 808,509,465.74 is: 1,115,783,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,387,324.94 : 1,798,739,131.65 = 808,509,465.74 : x
  2. Step 2: Convert to fraction form
    1,303,387,324.94/1,798,739,131.65 = 808,509,465.74/x
  3. Step 3: Cross multiply
    1,303,387,324.94x = 1,798,739,131.65 × 808,509,465.74
  4. Step 4: Simplify right side
    1,303,387,324.94x = 1,454,297,614,337,478,400
  5. Step 5: Solve for x
    x = 1,454,297,614,337,478,400/1,303,387,324.94
  6. Step 6: Final answer
    x = 1,115,783,149.42

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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.