Finding the Fourth Proportional to 343,465,959.99, 514,927,975.54 and 170,848,557.75
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Solution
The fourth proportional to 343,465,959.99, 514,927,975.54 and 170,848,557.75 is: 256,138,052.13
Step by Step Solution
- Step 1: Write the proportion equation
343,465,959.99 : 514,927,975.54 = 170,848,557.75 : x - Step 2: Convert to fraction form
343,465,959.99/514,927,975.54 = 170,848,557.75/x - Step 3: Cross multiply
343,465,959.99x = 514,927,975.54 × 170,848,557.75 - Step 4: Simplify right side
343,465,959.99x = 87,974,701,966,136,288 - Step 5: Solve for x
x = 87,974,701,966,136,288/343,465,959.99 - Step 6: Final answer
x = 256,138,052.13
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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.