Finding the Fourth Proportional to 387,831,205.23, 581,746,807.84 and 387,831,205.23
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Solution
The fourth proportional to 387,831,205.23, 581,746,807.84 and 387,831,205.23 is: 581,746,807.84
Step by Step Solution
- Step 1: Write the proportion equation
387,831,205.23 : 581,746,807.84 = 387,831,205.23 : x - Step 2: Convert to fraction form
387,831,205.23/581,746,807.84 = 387,831,205.23/x - Step 3: Cross multiply
387,831,205.23x = 581,746,807.84 × 387,831,205.23 - Step 4: Simplify right side
387,831,205.23x = 225,619,565,623,292,448 - Step 5: Solve for x
x = 225,619,565,623,292,448/387,831,205.23 - Step 6: Final answer
x = 581,746,807.84
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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.