Finding the Fourth Proportional to 1,659,160,154.72, 2,489,110,862.16 and 624,030,011.84
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Solution
The fourth proportional to 1,659,160,154.72, 2,489,110,862.16 and 624,030,011.84 is: 936,184,416.17
Step by Step Solution
- Step 1: Write the proportion equation
1,659,160,154.72 : 2,489,110,862.16 = 624,030,011.84 : x - Step 2: Convert to fraction form
1,659,160,154.72/2,489,110,862.16 = 624,030,011.84/x - Step 3: Cross multiply
1,659,160,154.72x = 2,489,110,862.16 × 624,030,011.84 - Step 4: Simplify right side
1,659,160,154.72x = 1,553,279,880,784,777,472 - Step 5: Solve for x
x = 1,553,279,880,784,777,472/1,659,160,154.72 - Step 6: Final answer
x = 936,184,416.17
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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.