Finding the Fourth Proportional to 1,126,975,531.64, 1,689,671,228.58 and 496,408,384.84
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Solution
The fourth proportional to 1,126,975,531.64, 1,689,671,228.58 and 496,408,384.84 is: 744,263,688.02
Step by Step Solution
- Step 1: Write the proportion equation
1,126,975,531.64 : 1,689,671,228.58 = 496,408,384.84 : x - Step 2: Convert to fraction form
1,126,975,531.64/1,689,671,228.58 = 496,408,384.84/x - Step 3: Cross multiply
1,126,975,531.64x = 1,689,671,228.58 × 496,408,384.84 - Step 4: Simplify right side
1,126,975,531.64x = 838,766,965,490,016,128 - Step 5: Solve for x
x = 838,766,965,490,016,128/1,126,975,531.64 - Step 6: Final answer
x = 744,263,688.02
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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.