Finding the Fourth Proportional to 998,621,823.04, 1,378,201,846.08 and 575,250,115.84
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Solution
The fourth proportional to 998,621,823.04, 1,378,201,846.08 and 575,250,115.84 is: 793,904,913.07
Step by Step Solution
- Step 1: Write the proportion equation
998,621,823.04 : 1,378,201,846.08 = 575,250,115.84 : x - Step 2: Convert to fraction form
998,621,823.04/1,378,201,846.08 = 575,250,115.84/x - Step 3: Cross multiply
998,621,823.04x = 1,378,201,846.08 × 575,250,115.84 - Step 4: Simplify right side
998,621,823.04x = 792,810,771,608,421,888 - Step 5: Solve for x
x = 792,810,771,608,421,888/998,621,823.04 - Step 6: Final answer
x = 793,904,913.07
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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.