Finding the Fourth Proportional to 1,468,257,419.40, 2,202,386,129.10 and 847,534,331.40
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Solution
The fourth proportional to 1,468,257,419.40, 2,202,386,129.10 and 847,534,331.40 is: 1,271,301,497.10
Step by Step Solution
- Step 1: Write the proportion equation
1,468,257,419.40 : 2,202,386,129.10 = 847,534,331.40 : x - Step 2: Convert to fraction form
1,468,257,419.40/2,202,386,129.10 = 847,534,331.40/x - Step 3: Cross multiply
1,468,257,419.40x = 2,202,386,129.10 × 847,534,331.40 - Step 4: Simplify right side
1,468,257,419.40x = 1,866,597,855,411,402,496 - Step 5: Solve for x
x = 1,866,597,855,411,402,496/1,468,257,419.40 - Step 6: Final answer
x = 1,271,301,497.10
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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.