Finding the Fourth Proportional to 795,774,702.66, 1,098,143,336.20 and 456,738,982.71
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Solution
The fourth proportional to 795,774,702.66, 1,098,143,336.20 and 456,738,982.71 is: 630,285,014.80
Step by Step Solution
- Step 1: Write the proportion equation
795,774,702.66 : 1,098,143,336.20 = 456,738,982.71 : x - Step 2: Convert to fraction form
795,774,702.66/1,098,143,336.20 = 456,738,982.71/x - Step 3: Cross multiply
795,774,702.66x = 1,098,143,336.20 × 456,738,982.71 - Step 4: Simplify right side
795,774,702.66x = 501,564,870,245,753,536 - Step 5: Solve for x
x = 501,564,870,245,753,536/795,774,702.66 - Step 6: Final answer
x = 630,285,014.80
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1.5x scale
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.