Finding the Fourth Proportional to 746,899,050.90, 1,120,348,576.35 and 379,567,031.70
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Solution
The fourth proportional to 746,899,050.90, 1,120,348,576.35 and 379,567,031.70 is: 569,350,547.55
Step by Step Solution
- Step 1: Write the proportion equation
746,899,050.90 : 1,120,348,576.35 = 379,567,031.70 : x - Step 2: Convert to fraction form
746,899,050.90/1,120,348,576.35 = 379,567,031.70/x - Step 3: Cross multiply
746,899,050.90x = 1,120,348,576.35 × 379,567,031.70 - Step 4: Simplify right side
746,899,050.90x = 425,247,383,594,490,240 - Step 5: Solve for x
x = 425,247,383,594,490,240/746,899,050.90 - Step 6: Final answer
x = 569,350,547.55
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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.