Finding the Fourth Proportional to 1,124,726,808.05, 1,686,764,408.61 and 337,748,701.76
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Solution
The fourth proportional to 1,124,726,808.05, 1,686,764,408.61 and 337,748,701.76 is: 506,525,215.82
Step by Step Solution
- Step 1: Write the proportion equation
1,124,726,808.05 : 1,686,764,408.61 = 337,748,701.76 : x - Step 2: Convert to fraction form
1,124,726,808.05/1,686,764,408.61 = 337,748,701.76/x - Step 3: Cross multiply
1,124,726,808.05x = 1,686,764,408.61 × 337,748,701.76 - Step 4: Simplify right side
1,124,726,808.05x = 569,702,489,183,001,600 - Step 5: Solve for x
x = 569,702,489,183,001,600/1,124,726,808.05 - Step 6: Final answer
x = 506,525,215.82
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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.