Finding the Fourth Proportional to 2,178,254,404.70, 3,267,381,607.05 and 542,479,006.70
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Solution
The fourth proportional to 2,178,254,404.70, 3,267,381,607.05 and 542,479,006.70 is: 813,718,510.05
Step by Step Solution
- Step 1: Write the proportion equation
2,178,254,404.70 : 3,267,381,607.05 = 542,479,006.70 : x - Step 2: Convert to fraction form
2,178,254,404.70/3,267,381,607.05 = 542,479,006.70/x - Step 3: Cross multiply
2,178,254,404.70x = 3,267,381,607.05 × 542,479,006.70 - Step 4: Simplify right side
2,178,254,404.70x = 1,772,485,928,702,333,952 - Step 5: Solve for x
x = 1,772,485,928,702,333,952/2,178,254,404.70 - Step 6: Final answer
x = 813,718,510.05
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Similar ratio
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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.