Finding the Fourth Proportional to 708,750,353.20, 1,063,125,529.80 and 191,179,793.20
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Solution
The fourth proportional to 708,750,353.20, 1,063,125,529.80 and 191,179,793.20 is: 286,769,689.80
Step by Step Solution
- Step 1: Write the proportion equation
708,750,353.20 : 1,063,125,529.80 = 191,179,793.20 : x - Step 2: Convert to fraction form
708,750,353.20/1,063,125,529.80 = 191,179,793.20/x - Step 3: Cross multiply
708,750,353.20x = 1,063,125,529.80 × 191,179,793.20 - Step 4: Simplify right side
708,750,353.20x = 203,248,118,932,804,416 - Step 5: Solve for x
x = 203,248,118,932,804,416/708,750,353.20 - Step 6: Final answer
x = 286,769,689.80
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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.