Finding the Fourth Proportional to 317,659,430.48, 438,380,658.71 and 176,536,597.95
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Solution
The fourth proportional to 317,659,430.48, 438,380,658.71 and 176,536,597.95 is: 243,626,420.85
Step by Step Solution
- Step 1: Write the proportion equation
317,659,430.48 : 438,380,658.71 = 176,536,597.95 : x - Step 2: Convert to fraction form
317,659,430.48/438,380,658.71 = 176,536,597.95/x - Step 3: Cross multiply
317,659,430.48x = 438,380,658.71 × 176,536,597.95 - Step 4: Simplify right side
317,659,430.48x = 77,390,230,094,860,752 - Step 5: Solve for x
x = 77,390,230,094,860,752/317,659,430.48 - Step 6: Final answer
x = 243,626,420.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.