Finding the Fourth Proportional to 1,432,127,292.92, 2,148,191,534.84 and 644,260,688.72
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Solution
The fourth proportional to 1,432,127,292.92, 2,148,191,534.84 and 644,260,688.72 is: 966,391,300.96
Step by Step Solution
- Step 1: Write the proportion equation
1,432,127,292.92 : 2,148,191,534.84 = 644,260,688.72 : x - Step 2: Convert to fraction form
1,432,127,292.92/2,148,191,534.84 = 644,260,688.72/x - Step 3: Cross multiply
1,432,127,292.92x = 2,148,191,534.84 × 644,260,688.72 - Step 4: Simplify right side
1,432,127,292.92x = 1,383,995,357,738,492,416 - Step 5: Solve for x
x = 1,383,995,357,738,492,416/1,432,127,292.92 - Step 6: Final answer
x = 966,391,300.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.