Finding the Fourth Proportional to 524,529,734.31, 723,847,285.64 and 286,374,911.31
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Solution
The fourth proportional to 524,529,734.31, 723,847,285.64 and 286,374,911.31 is: 395,195,331.49
Step by Step Solution
- Step 1: Write the proportion equation
524,529,734.31 : 723,847,285.64 = 286,374,911.31 : x - Step 2: Convert to fraction form
524,529,734.31/723,847,285.64 = 286,374,911.31/x - Step 3: Cross multiply
524,529,734.31x = 723,847,285.64 × 286,374,911.31 - Step 4: Simplify right side
524,529,734.31x = 207,291,702,228,421,792 - Step 5: Solve for x
x = 207,291,702,228,421,792/524,529,734.31 - Step 6: Final answer
x = 395,195,331.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.