Finding the Fourth Proportional to 747,401,543.70, 1,121,102,315.55 and 704,354,822.70
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Solution
The fourth proportional to 747,401,543.70, 1,121,102,315.55 and 704,354,822.70 is: 1,056,532,234.05
Step by Step Solution
- Step 1: Write the proportion equation
747,401,543.70 : 1,121,102,315.55 = 704,354,822.70 : x - Step 2: Convert to fraction form
747,401,543.70/1,121,102,315.55 = 704,354,822.70/x - Step 3: Cross multiply
747,401,543.70x = 1,121,102,315.55 × 704,354,822.70 - Step 4: Simplify right side
747,401,543.70x = 789,653,822,697,779,712 - Step 5: Solve for x
x = 789,653,822,697,779,712/747,401,543.70 - Step 6: Final answer
x = 1,056,532,234.05
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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.