Finding the Fourth Proportional to 2,740,573,319.85, 3,781,889,910.86 and 1,487,483,271.54
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Solution
The fourth proportional to 2,740,573,319.85, 3,781,889,910.86 and 1,487,483,271.54 is: 2,052,671,948.77
Step by Step Solution
- Step 1: Write the proportion equation
2,740,573,319.85 : 3,781,889,910.86 = 1,487,483,271.54 : x - Step 2: Convert to fraction form
2,740,573,319.85/3,781,889,910.86 = 1,487,483,271.54/x - Step 3: Cross multiply
2,740,573,319.85x = 3,781,889,910.86 × 1,487,483,271.54 - Step 4: Simplify right side
2,740,573,319.85x = 5,625,497,977,202,714,624 - Step 5: Solve for x
x = 5,625,497,977,202,714,624/2,740,573,319.85 - Step 6: Final answer
x = 2,052,671,948.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.