Finding the Fourth Proportional to 2,697,163,543.60, 4,045,745,315.40 and 1,765,984,433.20
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Solution
The fourth proportional to 2,697,163,543.60, 4,045,745,315.40 and 1,765,984,433.20 is: 2,648,976,649.80
Step by Step Solution
- Step 1: Write the proportion equation
2,697,163,543.60 : 4,045,745,315.40 = 1,765,984,433.20 : x - Step 2: Convert to fraction form
2,697,163,543.60/4,045,745,315.40 = 1,765,984,433.20/x - Step 3: Cross multiply
2,697,163,543.60x = 4,045,745,315.40 × 1,765,984,433.20 - Step 4: Simplify right side
2,697,163,543.60x = 7,144,723,247,688,224,768 - Step 5: Solve for x
x = 7,144,723,247,688,224,768/2,697,163,543.60 - Step 6: Final answer
x = 2,648,976,649.80
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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.