Finding the Fourth Proportional to 1,344,293,465,756.70, 1,855,130,572,004.20 and 726,996,183,780.80
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Solution
The fourth proportional to 1,344,293,465,756.70, 1,855,130,572,004.20 and 726,996,183,780.80 is: 1,003,257,756,298.76
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,465,756.70 : 1,855,130,572,004.20 = 726,996,183,780.80 : x - Step 2: Convert to fraction form
1,344,293,465,756.70/1,855,130,572,004.20 = 726,996,183,780.80/x - Step 3: Cross multiply
1,344,293,465,756.70x = 1,855,130,572,004.20 × 726,996,183,780.80 - Step 4: Simplify right side
1,344,293,465,756.70x = 1,348,672,846,262,145,996,816,384 - Step 5: Solve for x
x = 1,348,672,846,262,145,996,816,384/1,344,293,465,756.70 - Step 6: Final answer
x = 1,003,257,756,298.76
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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.