Finding the Fourth Proportional to 439,350,356.94, 606,263,421.43 and 260,703,463.13
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Solution
The fourth proportional to 439,350,356.94, 606,263,421.43 and 260,703,463.13 is: 359,747,001.55
Step by Step Solution
- Step 1: Write the proportion equation
439,350,356.94 : 606,263,421.43 = 260,703,463.13 : x - Step 2: Convert to fraction form
439,350,356.94/606,263,421.43 = 260,703,463.13/x - Step 3: Cross multiply
439,350,356.94x = 606,263,421.43 × 260,703,463.13 - Step 4: Simplify right side
439,350,356.94x = 158,054,973,537,685,184 - Step 5: Solve for x
x = 158,054,973,537,685,184/439,350,356.94 - Step 6: Final answer
x = 359,747,001.55
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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.