Finding the Fourth Proportional to 556,674,291.74, 835,006,120.76 and 338,384,903.42
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Solution
The fourth proportional to 556,674,291.74, 835,006,120.76 and 338,384,903.42 is: 507,574,123.18
Step by Step Solution
- Step 1: Write the proportion equation
556,674,291.74 : 835,006,120.76 = 338,384,903.42 : x - Step 2: Convert to fraction form
556,674,291.74/835,006,120.76 = 338,384,903.42/x - Step 3: Cross multiply
556,674,291.74x = 835,006,120.76 × 338,384,903.42 - Step 4: Simplify right side
556,674,291.74x = 282,553,465,528,481,472 - Step 5: Solve for x
x = 282,553,465,528,481,472/556,674,291.74 - Step 6: Final answer
x = 507,574,123.18
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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.