Finding the Fourth Proportional to 2,607,598,252.05, 3,911,397,378.08 and 861,070,549.65
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Solution
The fourth proportional to 2,607,598,252.05, 3,911,397,378.08 and 861,070,549.65 is: 1,291,605,824.48
Step by Step Solution
- Step 1: Write the proportion equation
2,607,598,252.05 : 3,911,397,378.08 = 861,070,549.65 : x - Step 2: Convert to fraction form
2,607,598,252.05/3,911,397,378.08 = 861,070,549.65/x - Step 3: Cross multiply
2,607,598,252.05x = 3,911,397,378.08 × 861,070,549.65 - Step 4: Simplify right side
2,607,598,252.05x = 3,367,989,090,238,608,896 - Step 5: Solve for x
x = 3,367,989,090,238,608,896/2,607,598,252.05 - Step 6: Final answer
x = 1,291,605,824.48
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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.