Finding the Fourth Proportional to 937,942,946.52, 1,294,357,119.84 and 536,049,990.42
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Solution
The fourth proportional to 937,942,946.52, 1,294,357,119.84 and 536,049,990.42 is: 739,746,617.07
Step by Step Solution
- Step 1: Write the proportion equation
937,942,946.52 : 1,294,357,119.84 = 536,049,990.42 : x - Step 2: Convert to fraction form
937,942,946.52/1,294,357,119.84 = 536,049,990.42/x - Step 3: Cross multiply
937,942,946.52x = 1,294,357,119.84 × 536,049,990.42 - Step 4: Simplify right side
937,942,946.52x = 693,840,121,690,290,816 - Step 5: Solve for x
x = 693,840,121,690,290,816/937,942,946.52 - Step 6: Final answer
x = 739,746,617.07
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Double scale
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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.