Finding the Fourth Proportional to 649,319,458.06, 896,036,837.29 and 351,955,315.66
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Solution
The fourth proportional to 649,319,458.06, 896,036,837.29 and 351,955,315.66 is: 485,685,318.68
Step by Step Solution
- Step 1: Write the proportion equation
649,319,458.06 : 896,036,837.29 = 351,955,315.66 : x - Step 2: Convert to fraction form
649,319,458.06/896,036,837.29 = 351,955,315.66/x - Step 3: Cross multiply
649,319,458.06x = 896,036,837.29 × 351,955,315.66 - Step 4: Simplify right side
649,319,458.06x = 315,364,927,911,390,016 - Step 5: Solve for x
x = 315,364,927,911,390,016/649,319,458.06 - Step 6: Final answer
x = 485,685,318.68
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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.