Finding the Fourth Proportional to 2,977,237,232.70, 4,465,855,849.05 and 2,931,320,730.30
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Solution
The fourth proportional to 2,977,237,232.70, 4,465,855,849.05 and 2,931,320,730.30 is: 4,396,981,095.45
Step by Step Solution
- Step 1: Write the proportion equation
2,977,237,232.70 : 4,465,855,849.05 = 2,931,320,730.30 : x - Step 2: Convert to fraction form
2,977,237,232.70/4,465,855,849.05 = 2,931,320,730.30/x - Step 3: Cross multiply
2,977,237,232.70x = 4,465,855,849.05 × 2,931,320,730.30 - Step 4: Simplify right side
2,977,237,232.70x = 13,090,855,828,851,773,440 - Step 5: Solve for x
x = 13,090,855,828,851,773,440/2,977,237,232.70 - Step 6: Final answer
x = 4,396,981,095.45
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1.5x scale
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.