Finding the Fourth Proportional to 302,778,551.24, 417,834,568.64 and 163,549,313.76
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Solution
The fourth proportional to 302,778,551.24, 417,834,568.64 and 163,549,313.76 is: 225,698,143.70
Step by Step Solution
- Step 1: Write the proportion equation
302,778,551.24 : 417,834,568.64 = 163,549,313.76 : x - Step 2: Convert to fraction form
302,778,551.24/417,834,568.64 = 163,549,313.76/x - Step 3: Cross multiply
302,778,551.24x = 417,834,568.64 × 163,549,313.76 - Step 4: Simplify right side
302,778,551.24x = 68,336,556,965,459,864 - Step 5: Solve for x
x = 68,336,556,965,459,864/302,778,551.24 - Step 6: Final answer
x = 225,698,143.70
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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.