Finding the Fourth Proportional to 368,365,630.49, 508,346,193.72 and 203,354,555.93
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Solution
The fourth proportional to 368,365,630.49, 508,346,193.72 and 203,354,555.93 is: 280,630,183.51
Step by Step Solution
- Step 1: Write the proportion equation
368,365,630.49 : 508,346,193.72 = 203,354,555.93 : x - Step 2: Convert to fraction form
368,365,630.49/508,346,193.72 = 203,354,555.93/x - Step 3: Cross multiply
368,365,630.49x = 508,346,193.72 × 203,354,555.93 - Step 4: Simplify right side
368,365,630.49x = 103,374,514,482,636,368 - Step 5: Solve for x
x = 103,374,514,482,636,368/368,365,630.49 - Step 6: Final answer
x = 280,630,183.51
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.