Finding the Fourth Proportional to 554,778,083.44, 765,591,844.08 and 319,827,623.68
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Solution
The fourth proportional to 554,778,083.44, 765,591,844.08 and 319,827,623.68 is: 441,361,018.95
Step by Step Solution
- Step 1: Write the proportion equation
554,778,083.44 : 765,591,844.08 = 319,827,623.68 : x - Step 2: Convert to fraction form
554,778,083.44/765,591,844.08 = 319,827,623.68/x - Step 3: Cross multiply
554,778,083.44x = 765,591,844.08 × 319,827,623.68 - Step 4: Simplify right side
554,778,083.44x = 244,857,420,200,895,488 - Step 5: Solve for x
x = 244,857,420,200,895,488/554,778,083.44 - Step 6: Final answer
x = 441,361,018.95
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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.