Finding the Fourth Proportional to 302,778,676.19, 417,834,741.28 and 163,549,439.33
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Solution
The fourth proportional to 302,778,676.19, 417,834,741.28 and 163,549,439.33 is: 225,698,317.09
Step by Step Solution
- Step 1: Write the proportion equation
302,778,676.19 : 417,834,741.28 = 163,549,439.33 : x - Step 2: Convert to fraction form
302,778,676.19/417,834,741.28 = 163,549,439.33/x - Step 3: Cross multiply
302,778,676.19x = 417,834,741.28 × 163,549,439.33 - Step 4: Simplify right side
302,778,676.19x = 68,336,637,666,441,552 - Step 5: Solve for x
x = 68,336,637,666,441,552/302,778,676.19 - Step 6: Final answer
x = 225,698,317.09
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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.