Finding the Fourth Proportional to 302,778,553.42, 417,834,571.65 and 163,549,315.94
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Solution
The fourth proportional to 302,778,553.42, 417,834,571.65 and 163,549,315.94 is: 225,698,146.71
Step by Step Solution
- Step 1: Write the proportion equation
302,778,553.42 : 417,834,571.65 = 163,549,315.94 : x - Step 2: Convert to fraction form
302,778,553.42/417,834,571.65 = 163,549,315.94/x - Step 3: Cross multiply
302,778,553.42x = 417,834,571.65 × 163,549,315.94 - Step 4: Simplify right side
302,778,553.42x = 68,336,558,369,440,416 - Step 5: Solve for x
x = 68,336,558,369,440,416/302,778,553.42 - Step 6: Final answer
x = 225,698,146.71
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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.