Finding the Fourth Proportional to 695,280,592.20, 1,042,920,888.30 and 684,531,049.80
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Solution
The fourth proportional to 695,280,592.20, 1,042,920,888.30 and 684,531,049.80 is: 1,026,796,574.70
Step by Step Solution
- Step 1: Write the proportion equation
695,280,592.20 : 1,042,920,888.30 = 684,531,049.80 : x - Step 2: Convert to fraction form
695,280,592.20/1,042,920,888.30 = 684,531,049.80/x - Step 3: Cross multiply
695,280,592.20x = 1,042,920,888.30 × 684,531,049.80 - Step 4: Simplify right side
695,280,592.20x = 713,911,730,526,347,392 - Step 5: Solve for x
x = 713,911,730,526,347,392/695,280,592.20 - Step 6: Final answer
x = 1,026,796,574.70
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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.