Finding the Fourth Proportional to 649,319,459.06, 896,036,838.68 and 351,955,316.66
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Solution
The fourth proportional to 649,319,459.06, 896,036,838.68 and 351,955,316.66 is: 485,685,320.06
Step by Step Solution
- Step 1: Write the proportion equation
649,319,459.06 : 896,036,838.68 = 351,955,316.66 : x - Step 2: Convert to fraction form
649,319,459.06/896,036,838.68 = 351,955,316.66/x - Step 3: Cross multiply
649,319,459.06x = 896,036,838.68 × 351,955,316.66 - Step 4: Simplify right side
649,319,459.06x = 315,364,929,294,884,992 - Step 5: Solve for x
x = 315,364,929,294,884,992/649,319,459.06 - Step 6: Final answer
x = 485,685,320.06
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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.