Finding the Fourth Proportional to 304,905,638.53, 420,768,911.68 and 165,676,363.39
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Solution
The fourth proportional to 304,905,638.53, 420,768,911.68 and 165,676,363.39 is: 228,632,909.02
Step by Step Solution
- Step 1: Write the proportion equation
304,905,638.53 : 420,768,911.68 = 165,676,363.39 : x - Step 2: Convert to fraction form
304,905,638.53/420,768,911.68 = 165,676,363.39/x - Step 3: Cross multiply
304,905,638.53x = 420,768,911.68 × 165,676,363.39 - Step 4: Simplify right side
304,905,638.53x = 69,711,463,114,710,488 - Step 5: Solve for x
x = 69,711,463,114,710,488/304,905,638.53 - Step 6: Final answer
x = 228,632,909.02
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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.