Finding the Fourth Proportional to 1,966,378,142.46, 2,713,602,925.34 and 1,062,134,072.95
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Solution
The fourth proportional to 1,966,378,142.46, 2,713,602,925.34 and 1,062,134,072.95 is: 1,465,745,608.75
Step by Step Solution
- Step 1: Write the proportion equation
1,966,378,142.46 : 2,713,602,925.34 = 1,062,134,072.95 : x - Step 2: Convert to fraction form
1,966,378,142.46/2,713,602,925.34 = 1,062,134,072.95/x - Step 3: Cross multiply
1,966,378,142.46x = 2,713,602,925.34 × 1,062,134,072.95 - Step 4: Simplify right side
1,966,378,142.46x = 2,882,210,127,457,128,448 - Step 5: Solve for x
x = 2,882,210,127,457,128,448/1,966,378,142.46 - Step 6: Final answer
x = 1,465,745,608.75
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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.