Finding the Fourth Proportional to 302,778,543.74, 417,834,558.29 and 163,549,306.26
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Solution
The fourth proportional to 302,778,543.74, 417,834,558.29 and 163,549,306.26 is: 225,698,133.35
Step by Step Solution
- Step 1: Write the proportion equation
302,778,543.74 : 417,834,558.29 = 163,549,306.26 : x - Step 2: Convert to fraction form
302,778,543.74/417,834,558.29 = 163,549,306.26/x - Step 3: Cross multiply
302,778,543.74x = 417,834,558.29 × 163,549,306.26 - Step 4: Simplify right side
302,778,543.74x = 68,336,552,138,965,288 - Step 5: Solve for x
x = 68,336,552,138,965,288/302,778,543.74 - Step 6: Final answer
x = 225,698,133.35
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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.