Finding the Fourth Proportional to 519,925,277.12, 717,573,890.16 and 329,204,021.76
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Solution
The fourth proportional to 519,925,277.12, 717,573,890.16 and 329,204,021.76 is: 454,350,309.45
Step by Step Solution
- Step 1: Write the proportion equation
519,925,277.12 : 717,573,890.16 = 329,204,021.76 : x - Step 2: Convert to fraction form
519,925,277.12/717,573,890.16 = 329,204,021.76/x - Step 3: Cross multiply
519,925,277.12x = 717,573,890.16 × 329,204,021.76 - Step 4: Simplify right side
519,925,277.12x = 236,228,210,550,640,480 - Step 5: Solve for x
x = 236,228,210,550,640,480/519,925,277.12 - Step 6: Final answer
x = 454,350,309.45
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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.