Finding the Fourth Proportional to 3,237,855,304.10, 4,468,271,124.60 and 1,899,768,159.86
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Solution
The fourth proportional to 3,237,855,304.10, 4,468,271,124.60 and 1,899,768,159.86 is: 2,621,698,134.99
Step by Step Solution
- Step 1: Write the proportion equation
3,237,855,304.10 : 4,468,271,124.60 = 1,899,768,159.86 : x - Step 2: Convert to fraction form
3,237,855,304.10/4,468,271,124.60 = 1,899,768,159.86/x - Step 3: Cross multiply
3,237,855,304.10x = 4,468,271,124.60 × 1,899,768,159.86 - Step 4: Simplify right side
3,237,855,304.10x = 8,488,679,212,136,914,944 - Step 5: Solve for x
x = 8,488,679,212,136,914,944/3,237,855,304.10 - Step 6: Final answer
x = 2,621,698,134.99
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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.