Finding the Fourth Proportional to 1,051,376,371.34, 1,451,346,136.71 and 655,095,152.01
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Solution
The fourth proportional to 1,051,376,371.34, 1,451,346,136.71 and 655,095,152.01 is: 904,309,668.70
Step by Step Solution
- Step 1: Write the proportion equation
1,051,376,371.34 : 1,451,346,136.71 = 655,095,152.01 : x - Step 2: Convert to fraction form
1,051,376,371.34/1,451,346,136.71 = 655,095,152.01/x - Step 3: Cross multiply
1,051,376,371.34x = 1,451,346,136.71 × 655,095,152.01 - Step 4: Simplify right side
1,051,376,371.34x = 950,769,818,043,888,128 - Step 5: Solve for x
x = 950,769,818,043,888,128/1,051,376,371.34 - Step 6: Final answer
x = 904,309,668.70
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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.