Finding the Fourth Proportional to 440,553,907.68, 607,964,702.88 and 242,330,482.56
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Solution
The fourth proportional to 440,553,907.68, 607,964,702.88 and 242,330,482.56 is: 334,416,236.61
Step by Step Solution
- Step 1: Write the proportion equation
440,553,907.68 : 607,964,702.88 = 242,330,482.56 : x - Step 2: Convert to fraction form
440,553,907.68/607,964,702.88 = 242,330,482.56/x - Step 3: Cross multiply
440,553,907.68x = 607,964,702.88 × 242,330,482.56 - Step 4: Simplify right side
440,553,907.68x = 147,328,379,828,357,408 - Step 5: Solve for x
x = 147,328,379,828,357,408/440,553,907.68 - Step 6: Final answer
x = 334,416,236.61
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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.