Finding the Fourth Proportional to 749,979,270.84, 1,124,960,508.18 and 265,191,704.76
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Solution
The fourth proportional to 749,979,270.84, 1,124,960,508.18 and 265,191,704.76 is: 397,784,587.59
Step by Step Solution
- Step 1: Write the proportion equation
749,979,270.84 : 1,124,960,508.18 = 265,191,704.76 : x - Step 2: Convert to fraction form
749,979,270.84/1,124,960,508.18 = 265,191,704.76/x - Step 3: Cross multiply
749,979,270.84x = 1,124,960,508.18 × 265,191,704.76 - Step 4: Simplify right side
749,979,270.84x = 298,330,194,951,930,112 - Step 5: Solve for x
x = 298,330,194,951,930,112/749,979,270.84 - Step 6: Final answer
x = 397,784,587.59
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1.5x scale
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.