Finding the Fourth Proportional to 1,966,378,145.79, 2,713,602,929.93 and 1,062,134,076.28
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Solution
The fourth proportional to 1,966,378,145.79, 2,713,602,929.93 and 1,062,134,076.28 is: 1,465,745,613.34
Step by Step Solution
- Step 1: Write the proportion equation
1,966,378,145.79 : 2,713,602,929.93 = 1,062,134,076.28 : x - Step 2: Convert to fraction form
1,966,378,145.79/2,713,602,929.93 = 1,062,134,076.28/x - Step 3: Cross multiply
1,966,378,145.79x = 2,713,602,929.93 × 1,062,134,076.28 - Step 4: Simplify right side
1,966,378,145.79x = 2,882,210,141,367,773,184 - Step 5: Solve for x
x = 2,882,210,141,367,773,184/1,966,378,145.79 - Step 6: Final answer
x = 1,465,745,613.34
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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.