Finding the Fourth Proportional to 403,498,646.10, 556,810,927.38 and 224,873,029.58
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Solution
The fourth proportional to 403,498,646.10, 556,810,927.38 and 224,873,029.58 is: 310,315,192.75
Step by Step Solution
- Step 1: Write the proportion equation
403,498,646.10 : 556,810,927.38 = 224,873,029.58 : x - Step 2: Convert to fraction form
403,498,646.10/556,810,927.38 = 224,873,029.58/x - Step 3: Cross multiply
403,498,646.10x = 556,810,927.38 × 224,873,029.58 - Step 4: Simplify right side
403,498,646.10x = 125,211,760,140,405,904 - Step 5: Solve for x
x = 125,211,760,140,405,904/403,498,646.10 - Step 6: Final answer
x = 310,315,192.75
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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.