Finding the Fourth Proportional to 2,755,712,959.80, 4,133,569,439.70 and 2,471,604,601.20
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Solution
The fourth proportional to 2,755,712,959.80, 4,133,569,439.70 and 2,471,604,601.20 is: 3,707,406,901.80
Step by Step Solution
- Step 1: Write the proportion equation
2,755,712,959.80 : 4,133,569,439.70 = 2,471,604,601.20 : x - Step 2: Convert to fraction form
2,755,712,959.80/4,133,569,439.70 = 2,471,604,601.20/x - Step 3: Cross multiply
2,755,712,959.80x = 4,133,569,439.70 × 2,471,604,601.20 - Step 4: Simplify right side
2,755,712,959.80x = 10,216,549,246,542,225,408 - Step 5: Solve for x
x = 10,216,549,246,542,225,408/2,755,712,959.80 - Step 6: Final answer
x = 3,707,406,901.80
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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.