Finding the Fourth Proportional to 318,974,587.56, 440,184,862.98 and 172,296,873
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Solution
The fourth proportional to 318,974,587.56, 440,184,862.98 and 172,296,873 is: 237,769,648.09
Step by Step Solution
- Step 1: Write the proportion equation
318,974,587.56 : 440,184,862.98 = 172,296,873 : x - Step 2: Convert to fraction form
318,974,587.56/440,184,862.98 = 172,296,873/x - Step 3: Cross multiply
318,974,587.56x = 440,184,862.98 × 172,296,873 - Step 4: Simplify right side
318,974,587.56x = 75,842,475,433,387,472 - Step 5: Solve for x
x = 75,842,475,433,387,472/318,974,587.56 - Step 6: Final answer
x = 237,769,648.09
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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.