Finding the Fourth Proportional to 695,290,363.20, 1,042,935,544.80 and 235,243,540.80
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Solution
The fourth proportional to 695,290,363.20, 1,042,935,544.80 and 235,243,540.80 is: 352,865,311.20
Step by Step Solution
- Step 1: Write the proportion equation
695,290,363.20 : 1,042,935,544.80 = 235,243,540.80 : x - Step 2: Convert to fraction form
695,290,363.20/1,042,935,544.80 = 235,243,540.80/x - Step 3: Cross multiply
695,290,363.20x = 1,042,935,544.80 × 235,243,540.80 - Step 4: Simplify right side
695,290,363.20x = 245,343,850,384,929,024 - Step 5: Solve for x
x = 245,343,850,384,929,024/695,290,363.20 - Step 6: Final answer
x = 352,865,311.20
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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.