Finding the Fourth Proportional to 5,358,488,136.84, 7,395,639,207.94 and 3,101,672,005.95
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Solution
The fourth proportional to 5,358,488,136.84, 7,395,639,207.94 and 3,101,672,005.95 is: 4,280,843,124.33
Step by Step Solution
- Step 1: Write the proportion equation
5,358,488,136.84 : 7,395,639,207.94 = 3,101,672,005.95 : x - Step 2: Convert to fraction form
5,358,488,136.84/7,395,639,207.94 = 3,101,672,005.95/x - Step 3: Cross multiply
5,358,488,136.84x = 7,395,639,207.94 × 3,101,672,005.95 - Step 4: Simplify right side
5,358,488,136.84x = 22,938,847,097,405,984,768 - Step 5: Solve for x
x = 22,938,847,097,405,984,768/5,358,488,136.84 - Step 6: Final answer
x = 4,280,843,124.33
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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.