Finding the Fourth Proportional to 894,920,487,257.62, 1,234,990,767,839.90 and 483,388,963,840.88
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Solution
The fourth proportional to 894,920,487,257.62, 1,234,990,767,839.90 and 483,388,963,840.88 is: 667,077,037,702.60
Step by Step Solution
- Step 1: Write the proportion equation
894,920,487,257.62 : 1,234,990,767,839.90 = 483,388,963,840.88 : x - Step 2: Convert to fraction form
894,920,487,257.62/1,234,990,767,839.90 = 483,388,963,840.88/x - Step 3: Cross multiply
894,920,487,257.62x = 1,234,990,767,839.90 × 483,388,963,840.88 - Step 4: Simplify right side
894,920,487,257.62x = 596,980,907,619,182,037,696,512 - Step 5: Solve for x
x = 596,980,907,619,182,037,696,512/894,920,487,257.62 - Step 6: Final answer
x = 667,077,037,702.60
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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.