Finding the Fourth Proportional to 614,452,309.84, 921,679,397.88 and 250,946,665.84
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Solution
The fourth proportional to 614,452,309.84, 921,679,397.88 and 250,946,665.84 is: 376,420,379.85
Step by Step Solution
- Step 1: Write the proportion equation
614,452,309.84 : 921,679,397.88 = 250,946,665.84 : x - Step 2: Convert to fraction form
614,452,309.84/921,679,397.88 = 250,946,665.84/x - Step 3: Cross multiply
614,452,309.84x = 921,679,397.88 × 250,946,665.84 - Step 4: Simplify right side
614,452,309.84x = 231,292,371,871,404,768 - Step 5: Solve for x
x = 231,292,371,871,404,768/614,452,309.84 - Step 6: Final answer
x = 376,420,379.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.