Finding the Fourth Proportional to 673,484,872.08, 922,658,835.12 and 648,305,107.44
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Solution
The fourth proportional to 673,484,872.08, 922,658,835.12 and 648,305,107.44 is: 888,163,134.81
Step by Step Solution
- Step 1: Write the proportion equation
673,484,872.08 : 922,658,835.12 = 648,305,107.44 : x - Step 2: Convert to fraction form
673,484,872.08/922,658,835.12 = 648,305,107.44/x - Step 3: Cross multiply
673,484,872.08x = 922,658,835.12 × 648,305,107.44 - Step 4: Simplify right side
673,484,872.08x = 598,164,435,232,936,960 - Step 5: Solve for x
x = 598,164,435,232,936,960/673,484,872.08 - Step 6: Final answer
x = 888,163,134.81
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.