Finding the Fourth Proportional to 1,344,293,479,972.50, 1,855,130,591,641.80 and 726,996,198,023.60
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Solution
The fourth proportional to 1,344,293,479,972.50, 1,855,130,591,641.80 and 726,996,198,023.60 is: 1,003,257,775,964.55
Step by Step Solution
- Step 1: Write the proportion equation
1,344,293,479,972.50 : 1,855,130,591,641.80 = 726,996,198,023.60 : x - Step 2: Convert to fraction form
1,344,293,479,972.50/1,855,130,591,641.80 = 726,996,198,023.60/x - Step 3: Cross multiply
1,344,293,479,972.50x = 1,855,130,591,641.80 × 726,996,198,023.60 - Step 4: Simplify right side
1,344,293,479,972.50x = 1,348,672,886,960,860,151,414,784 - Step 5: Solve for x
x = 1,348,672,886,960,860,151,414,784/1,344,293,479,972.50 - Step 6: Final answer
x = 1,003,257,775,964.55
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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.