Finding the Fourth Proportional to 1,407,107,703.20, 2,110,985,806.70 and 486,984,038.18
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Solution
The fourth proportional to 1,407,107,703.20, 2,110,985,806.70 and 486,984,038.18 is: 730,588,277.18
Step by Step Solution
- Step 1: Write the proportion equation
1,407,107,703.20 : 2,110,985,806.70 = 486,984,038.18 : x - Step 2: Convert to fraction form
1,407,107,703.20/2,110,985,806.70 = 486,984,038.18/x - Step 3: Cross multiply
1,407,107,703.20x = 2,110,985,806.70 × 486,984,038.18 - Step 4: Simplify right side
1,407,107,703.20x = 1,028,016,392,687,430,912 - Step 5: Solve for x
x = 1,028,016,392,687,430,912/1,407,107,703.20 - Step 6: Final answer
x = 730,588,277.18
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.