Finding the Fourth Proportional to 353,823,518.23, 488,277,934.93 and 195,050,156.63
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Solution
The fourth proportional to 353,823,518.23, 488,277,934.93 and 195,050,156.63 is: 269,170,031.88
Step by Step Solution
- Step 1: Write the proportion equation
353,823,518.23 : 488,277,934.93 = 195,050,156.63 : x - Step 2: Convert to fraction form
353,823,518.23/488,277,934.93 = 195,050,156.63/x - Step 3: Cross multiply
353,823,518.23x = 488,277,934.93 × 195,050,156.63 - Step 4: Simplify right side
353,823,518.23x = 95,238,687,684,321,840 - Step 5: Solve for x
x = 95,238,687,684,321,840/353,823,518.23 - Step 6: Final answer
x = 269,170,031.88
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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.