Finding the Fourth Proportional to 3,640,947,134.86, 5,024,515,780.11 and 1,970,214,203.98
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Solution
The fourth proportional to 3,640,947,134.86, 5,024,515,780.11 and 1,970,214,203.98 is: 2,718,900,327.70
Step by Step Solution
- Step 1: Write the proportion equation
3,640,947,134.86 : 5,024,515,780.11 = 1,970,214,203.98 : x - Step 2: Convert to fraction form
3,640,947,134.86/5,024,515,780.11 = 1,970,214,203.98/x - Step 3: Cross multiply
3,640,947,134.86x = 5,024,515,780.11 × 1,970,214,203.98 - Step 4: Simplify right side
3,640,947,134.86x = 9,899,372,358,094,370,816 - Step 5: Solve for x
x = 9,899,372,358,094,370,816/3,640,947,134.86 - Step 6: Final answer
x = 2,718,900,327.70
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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.