Home / 1,303,387,296.13-1,798,739,091.89-808,509,436.93

Finding the Fourth Proportional to 1,303,387,296.13, 1,798,739,091.89 and 808,509,436.93

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Solution

The fourth proportional to 1,303,387,296.13, 1,798,739,091.89 and 808,509,436.93 is: 1,115,783,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,387,296.13 : 1,798,739,091.89 = 808,509,436.93 : x
  2. Step 2: Convert to fraction form
    1,303,387,296.13/1,798,739,091.89 = 808,509,436.93/x
  3. Step 3: Cross multiply
    1,303,387,296.13x = 1,798,739,091.89 × 808,509,436.93
  4. Step 4: Simplify right side
    1,303,387,296.13x = 1,454,297,530,367,963,392
  5. Step 5: Solve for x
    x = 1,454,297,530,367,963,392/1,303,387,296.13
  6. Step 6: Final answer
    x = 1,115,783,109.66

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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.