Finding the Fourth Proportional to 1,178,149,423.12, 1,766,692,319.98 and 337,599,908.70
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Solution
The fourth proportional to 1,178,149,423.12, 1,766,692,319.98 and 337,599,908.70 is: 506,247,471.01
Step by Step Solution
- Step 1: Write the proportion equation
1,178,149,423.12 : 1,766,692,319.98 = 337,599,908.70 : x - Step 2: Convert to fraction form
1,178,149,423.12/1,766,692,319.98 = 337,599,908.70/x - Step 3: Cross multiply
1,178,149,423.12x = 1,766,692,319.98 × 337,599,908.70 - Step 4: Simplify right side
1,178,149,423.12x = 596,435,165,929,340,416 - Step 5: Solve for x
x = 596,435,165,929,340,416/1,178,149,423.12 - Step 6: Final answer
x = 506,247,471.01
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.