Finding the Fourth Proportional to 808,612,702.84, 1,213,053,089.82 and 283,845,689.02
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Solution
The fourth proportional to 808,612,702.84, 1,213,053,089.82 and 283,845,689.02 is: 425,815,583.76
Step by Step Solution
- Step 1: Write the proportion equation
808,612,702.84 : 1,213,053,089.82 = 283,845,689.02 : x - Step 2: Convert to fraction form
808,612,702.84/1,213,053,089.82 = 283,845,689.02/x - Step 3: Cross multiply
808,612,702.84x = 1,213,053,089.82 × 283,845,689.02 - Step 4: Simplify right side
808,612,702.84x = 344,319,890,097,797,824 - Step 5: Solve for x
x = 344,319,890,097,797,824/808,612,702.84 - Step 6: Final answer
x = 425,815,583.76
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.