Finding the Fourth Proportional to 644,460,552.80, 966,690,829.20 and 184,413,730.40
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Solution
The fourth proportional to 644,460,552.80, 966,690,829.20 and 184,413,730.40 is: 276,620,595.60
Step by Step Solution
- Step 1: Write the proportion equation
644,460,552.80 : 966,690,829.20 = 184,413,730.40 : x - Step 2: Convert to fraction form
644,460,552.80/966,690,829.20 = 184,413,730.40/x - Step 3: Cross multiply
644,460,552.80x = 966,690,829.20 × 184,413,730.40 - Step 4: Simplify right side
644,460,552.80x = 178,271,061,956,241,248 - Step 5: Solve for x
x = 178,271,061,956,241,248/644,460,552.80 - Step 6: Final answer
x = 276,620,595.60
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Similar ratio
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.