Finding the Fourth Proportional to 1,029,302,344.84, 1,420,448,205.72 and 559,403,690.08
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Solution
The fourth proportional to 1,029,302,344.84, 1,420,448,205.72 and 559,403,690.08 is: 771,983,054.18
Step by Step Solution
- Step 1: Write the proportion equation
1,029,302,344.84 : 1,420,448,205.72 = 559,403,690.08 : x - Step 2: Convert to fraction form
1,029,302,344.84/1,420,448,205.72 = 559,403,690.08/x - Step 3: Cross multiply
1,029,302,344.84x = 1,420,448,205.72 × 559,403,690.08 - Step 4: Simplify right side
1,029,302,344.84x = 794,603,967,847,283,072 - Step 5: Solve for x
x = 794,603,967,847,283,072/1,029,302,344.84 - Step 6: Final answer
x = 771,983,054.18
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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.