Finding the Fourth Proportional to 3,637,432,877.05, 5,456,149,315.58 and 1,569,489,657.85
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Solution
The fourth proportional to 3,637,432,877.05, 5,456,149,315.58 and 1,569,489,657.85 is: 2,354,234,486.78
Step by Step Solution
- Step 1: Write the proportion equation
3,637,432,877.05 : 5,456,149,315.58 = 1,569,489,657.85 : x - Step 2: Convert to fraction form
3,637,432,877.05/5,456,149,315.58 = 1,569,489,657.85/x - Step 3: Cross multiply
3,637,432,877.05x = 5,456,149,315.58 × 1,569,489,657.85 - Step 4: Simplify right side
3,637,432,877.05x = 8,563,369,922,480,317,440 - Step 5: Solve for x
x = 8,563,369,922,480,317,440/3,637,432,877.05 - Step 6: Final answer
x = 2,354,234,486.78
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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.