Finding the Fourth Proportional to 386,125,325,995.70, 579,271,354,161.10 and 117,535,309,135.20
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Solution
The fourth proportional to 386,125,325,995.70, 579,271,354,161.10 and 117,535,309,135.20 is: 176,328,339,792.06
Step by Step Solution
- Step 1: Write the proportion equation
386,125,325,995.70 : 579,271,354,161.10 = 117,535,309,135.20 : x - Step 2: Convert to fraction form
386,125,325,995.70/579,271,354,161.10 = 117,535,309,135.20/x - Step 3: Cross multiply
386,125,325,995.70x = 579,271,354,161.10 × 117,535,309,135.20 - Step 4: Simplify right side
386,125,325,995.70x = 68,084,837,684,490,803,347,456 - Step 5: Solve for x
x = 68,084,837,684,490,803,347,456/386,125,325,995.70 - Step 6: Final answer
x = 176,328,339,792.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.