Finding the Fourth Proportional to 1,348,442,044.80, 2,023,040,980.80 and 658,371,811.20
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Solution
The fourth proportional to 1,348,442,044.80, 2,023,040,980.80 and 658,371,811.20 is: 987,742,231.71
Step by Step Solution
- Step 1: Write the proportion equation
1,348,442,044.80 : 2,023,040,980.80 = 658,371,811.20 : x - Step 2: Convert to fraction form
1,348,442,044.80/2,023,040,980.80 = 658,371,811.20/x - Step 3: Cross multiply
1,348,442,044.80x = 2,023,040,980.80 × 658,371,811.20 - Step 4: Simplify right side
1,348,442,044.80x = 1,331,913,154,661,120,512 - Step 5: Solve for x
x = 1,331,913,154,661,120,512/1,348,442,044.80 - Step 6: Final answer
x = 987,742,231.71
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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.