Finding the Fourth Proportional to 1,521,219,011.44, 2,282,676,334.44 and 821,697,049.84
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Solution
The fourth proportional to 1,521,219,011.44, 2,282,676,334.44 and 821,697,049.84 is: 1,233,003,529.17
Step by Step Solution
- Step 1: Write the proportion equation
1,521,219,011.44 : 2,282,676,334.44 = 821,697,049.84 : x - Step 2: Convert to fraction form
1,521,219,011.44/2,282,676,334.44 = 821,697,049.84/x - Step 3: Cross multiply
1,521,219,011.44x = 2,282,676,334.44 × 821,697,049.84 - Step 4: Simplify right side
1,521,219,011.44x = 1,875,668,409,748,933,376 - Step 5: Solve for x
x = 1,875,668,409,748,933,376/1,521,219,011.44 - Step 6: Final answer
x = 1,233,003,529.17
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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.