Finding the Fourth Proportional to 579,881,754.08, 800,236,950.91 and 319,121,370.08
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Solution
The fourth proportional to 579,881,754.08, 800,236,950.91 and 319,121,370.08 is: 440,387,562.40
Step by Step Solution
- Step 1: Write the proportion equation
579,881,754.08 : 800,236,950.91 = 319,121,370.08 : x - Step 2: Convert to fraction form
579,881,754.08/800,236,950.91 = 319,121,370.08/x - Step 3: Cross multiply
579,881,754.08x = 800,236,950.91 × 319,121,370.08 - Step 4: Simplify right side
579,881,754.08x = 255,372,712,160,242,496 - Step 5: Solve for x
x = 255,372,712,160,242,496/579,881,754.08 - Step 6: Final answer
x = 440,387,562.40
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.