Finding the Fourth Proportional to 578,163,401.64, 797,866,514.10 and 313,845,577.74
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Solution
The fourth proportional to 578,163,401.64, 797,866,514.10 and 313,845,577.74 is: 433,107,450.88
Step by Step Solution
- Step 1: Write the proportion equation
578,163,401.64 : 797,866,514.10 = 313,845,577.74 : x - Step 2: Convert to fraction form
578,163,401.64/797,866,514.10 = 313,845,577.74/x - Step 3: Cross multiply
578,163,401.64x = 797,866,514.10 × 313,845,577.74 - Step 4: Simplify right side
578,163,401.64x = 250,406,877,077,114,368 - Step 5: Solve for x
x = 250,406,877,077,114,368/578,163,401.64 - Step 6: Final answer
x = 433,107,450.88
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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.