Finding the Fourth Proportional to 318,730,637.98, 439,836,668 and 177,594,566.14
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Solution
The fourth proportional to 318,730,637.98, 439,836,668 and 177,594,566.14 is: 245,074,030.92
Step by Step Solution
- Step 1: Write the proportion equation
318,730,637.98 : 439,836,668 = 177,594,566.14 : x - Step 2: Convert to fraction form
318,730,637.98/439,836,668 = 177,594,566.14/x - Step 3: Cross multiply
318,730,637.98x = 439,836,668 × 177,594,566.14 - Step 4: Simplify right side
318,730,637.98x = 78,112,602,225,923,216 - Step 5: Solve for x
x = 78,112,602,225,923,216/318,730,637.98 - Step 6: Final answer
x = 245,074,030.92
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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.