Finding the Fourth Proportional to 550,832,107.80, 826,248,161.70 and 141,888,258.30
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Solution
The fourth proportional to 550,832,107.80, 826,248,161.70 and 141,888,258.30 is: 212,832,387.45
Step by Step Solution
- Step 1: Write the proportion equation
550,832,107.80 : 826,248,161.70 = 141,888,258.30 : x - Step 2: Convert to fraction form
550,832,107.80/826,248,161.70 = 141,888,258.30/x - Step 3: Cross multiply
550,832,107.80x = 826,248,161.70 × 141,888,258.30 - Step 4: Simplify right side
550,832,107.80x = 117,234,912,587,189,776 - Step 5: Solve for x
x = 117,234,912,587,189,776/550,832,107.80 - Step 6: Final answer
x = 212,832,387.45
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1.5x scale
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.