Finding the Fourth Proportional to 852,768,386.17, 1,176,828,486.24 and 500,350,372.90
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Solution
The fourth proportional to 852,768,386.17, 1,176,828,486.24 and 500,350,372.90 is: 690,488,274.99
Step by Step Solution
- Step 1: Write the proportion equation
852,768,386.17 : 1,176,828,486.24 = 500,350,372.90 : x - Step 2: Convert to fraction form
852,768,386.17/1,176,828,486.24 = 500,350,372.90/x - Step 3: Cross multiply
852,768,386.17x = 1,176,828,486.24 × 500,350,372.90 - Step 4: Simplify right side
852,768,386.17x = 588,826,571,928,485,760 - Step 5: Solve for x
x = 588,826,571,928,485,760/852,768,386.17 - Step 6: Final answer
x = 690,488,274.99
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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.