Finding the Fourth Proportional to 488,753,117.10, 733,129,675.65 and 165,636,989.10
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Solution
The fourth proportional to 488,753,117.10, 733,129,675.65 and 165,636,989.10 is: 248,455,483.65
Step by Step Solution
- Step 1: Write the proportion equation
488,753,117.10 : 733,129,675.65 = 165,636,989.10 : x - Step 2: Convert to fraction form
488,753,117.10/733,129,675.65 = 165,636,989.10/x - Step 3: Cross multiply
488,753,117.10x = 733,129,675.65 × 165,636,989.10 - Step 4: Simplify right side
488,753,117.10x = 121,433,392,094,525,584 - Step 5: Solve for x
x = 121,433,392,094,525,584/488,753,117.10 - Step 6: Final answer
x = 248,455,483.65
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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.