Finding the Fourth Proportional to 937,117,034.56, 1,293,219,276.24 and 513,729,943.84
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Solution
The fourth proportional to 937,117,034.56, 1,293,219,276.24 and 513,729,943.84 is: 708,946,099.21
Step by Step Solution
- Step 1: Write the proportion equation
937,117,034.56 : 1,293,219,276.24 = 513,729,943.84 : x - Step 2: Convert to fraction form
937,117,034.56/1,293,219,276.24 = 513,729,943.84/x - Step 3: Cross multiply
937,117,034.56x = 1,293,219,276.24 × 513,729,943.84 - Step 4: Simplify right side
937,117,034.56x = 664,365,466,155,580,672 - Step 5: Solve for x
x = 664,365,466,155,580,672/937,117,034.56 - Step 6: Final answer
x = 708,946,099.21
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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.