Finding the Fourth Proportional to 3,408,090,510.42, 5,115,278,283.64 and 1,728,554,753.12
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Solution
The fourth proportional to 3,408,090,510.42, 5,115,278,283.64 and 1,728,554,753.12 is: 2,594,425,988.30
Step by Step Solution
- Step 1: Write the proportion equation
3,408,090,510.42 : 5,115,278,283.64 = 1,728,554,753.12 : x - Step 2: Convert to fraction form
3,408,090,510.42/5,115,278,283.64 = 1,728,554,753.12/x - Step 3: Cross multiply
3,408,090,510.42x = 5,115,278,283.64 × 1,728,554,753.12 - Step 4: Simplify right side
3,408,090,510.42x = 8,842,038,590,717,437,952 - Step 5: Solve for x
x = 8,842,038,590,717,437,952/3,408,090,510.42 - Step 6: Final answer
x = 2,594,425,988.30
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.