Finding the Fourth Proportional to 475,120,953.18, 712,727,244.99 and 147,508,503.84
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Solution
The fourth proportional to 475,120,953.18, 712,727,244.99 and 147,508,503.84 is: 221,276,979.79
Step by Step Solution
- Step 1: Write the proportion equation
475,120,953.18 : 712,727,244.99 = 147,508,503.84 : x - Step 2: Convert to fraction form
475,120,953.18/712,727,244.99 = 147,508,503.84/x - Step 3: Cross multiply
475,120,953.18x = 712,727,244.99 × 147,508,503.84 - Step 4: Simplify right side
475,120,953.18x = 105,133,329,554,480,032 - Step 5: Solve for x
x = 105,133,329,554,480,032/475,120,953.18 - Step 6: Final answer
x = 221,276,979.79
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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.