Finding the Fourth Proportional to 1,126,975,528.64, 1,689,671,224.08 and 496,408,381.84
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Solution
The fourth proportional to 1,126,975,528.64, 1,689,671,224.08 and 496,408,381.84 is: 744,263,683.52
Step by Step Solution
- Step 1: Write the proportion equation
1,126,975,528.64 : 1,689,671,224.08 = 496,408,381.84 : x - Step 2: Convert to fraction form
1,126,975,528.64/1,689,671,224.08 = 496,408,381.84/x - Step 3: Cross multiply
1,126,975,528.64x = 1,689,671,224.08 × 496,408,381.84 - Step 4: Simplify right side
1,126,975,528.64x = 838,766,958,187,164,800 - Step 5: Solve for x
x = 838,766,958,187,164,800/1,126,975,528.64 - Step 6: Final answer
x = 744,263,683.52
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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.