Finding the Fourth Proportional to 578,584,907.35, 798,453,625.98 and 340,482,718.15
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Solution
The fourth proportional to 578,584,907.35, 798,453,625.98 and 340,482,718.15 is: 469,869,948.97
Step by Step Solution
- Step 1: Write the proportion equation
578,584,907.35 : 798,453,625.98 = 340,482,718.15 : x - Step 2: Convert to fraction form
578,584,907.35/798,453,625.98 = 340,482,718.15/x - Step 3: Cross multiply
578,584,907.35x = 798,453,625.98 × 340,482,718.15 - Step 4: Simplify right side
578,584,907.35x = 271,859,660,890,393,856 - Step 5: Solve for x
x = 271,859,660,890,393,856/578,584,907.35 - Step 6: Final answer
x = 469,869,948.97
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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.