Finding the Fourth Proportional to 2,105,176,448.70, 3,154,363,450.65 and 1,327,430,259.90
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Solution
The fourth proportional to 2,105,176,448.70, 3,154,363,450.65 and 1,327,430,259.90 is: 1,989,000,730.89
Step by Step Solution
- Step 1: Write the proportion equation
2,105,176,448.70 : 3,154,363,450.65 = 1,327,430,259.90 : x - Step 2: Convert to fraction form
2,105,176,448.70/3,154,363,450.65 = 1,327,430,259.90/x - Step 3: Cross multiply
2,105,176,448.70x = 3,154,363,450.65 × 1,327,430,259.90 - Step 4: Simplify right side
2,105,176,448.70x = 4,187,197,495,115,390,976 - Step 5: Solve for x
x = 4,187,197,495,115,390,976/2,105,176,448.70 - Step 6: Final answer
x = 1,989,000,730.89
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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.