Finding the Fourth Proportional to 1,344,293,465,751.40, 1,855,130,571,996.90 and 726,996,183,775.55
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Solution
The fourth proportional to 1,344,293,465,751.40, 1,855,130,571,996.90 and 726,996,183,775.55 is: 1,003,257,756,291.52
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,465,751.40 : 1,855,130,571,996.90 = 726,996,183,775.55 : x - Step 2: Convert to fraction form
1,344,293,465,751.40/1,855,130,571,996.90 = 726,996,183,775.55/x - Step 3: Cross multiply
1,344,293,465,751.40x = 1,855,130,571,996.90 × 726,996,183,775.55 - Step 4: Simplify right side
1,344,293,465,751.40x = 1,348,672,846,247,099,652,636,672 - Step 5: Solve for x
x = 1,348,672,846,247,099,652,636,672/1,344,293,465,751.40 - Step 6: Final answer
x = 1,003,257,756,291.52
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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.