Finding the Fourth Proportional to 734,856,534.90, 1,102,284,802.35 and 298,366,326.90
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Solution
The fourth proportional to 734,856,534.90, 1,102,284,802.35 and 298,366,326.90 is: 447,549,490.35
Step by Step Solution
- Step 1: Write the proportion equation
734,856,534.90 : 1,102,284,802.35 = 298,366,326.90 : x - Step 2: Convert to fraction form
734,856,534.90/1,102,284,802.35 = 298,366,326.90/x - Step 3: Cross multiply
734,856,534.90x = 1,102,284,802.35 × 298,366,326.90 - Step 4: Simplify right side
734,856,534.90x = 328,884,667,674,861,952 - Step 5: Solve for x
x = 328,884,667,674,861,952/734,856,534.90 - Step 6: Final answer
x = 447,549,490.35
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Double scale
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Similar ratio
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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.