Finding the Fourth Proportional to 1,344,293,465,784.60, 1,855,130,572,043.20 and 726,996,183,808.70
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Solution
The fourth proportional to 1,344,293,465,784.60, 1,855,130,572,043.20 and 726,996,183,808.70 is: 1,003,257,756,337.53
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,465,784.60 : 1,855,130,572,043.20 = 726,996,183,808.70 : x - Step 2: Convert to fraction form
1,344,293,465,784.60/1,855,130,572,043.20 = 726,996,183,808.70/x - Step 3: Cross multiply
1,344,293,465,784.60x = 1,855,130,572,043.20 × 726,996,183,808.70 - Step 4: Simplify right side
1,344,293,465,784.60x = 1,348,672,846,342,256,800,563,200 - Step 5: Solve for x
x = 1,348,672,846,342,256,800,563,200/1,344,293,465,784.60 - Step 6: Final answer
x = 1,003,257,756,337.53
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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.