Finding the Fourth Proportional to 1,391,500,918.83, 2,088,247,207.27 and 506,184,566.97
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Solution
The fourth proportional to 1,391,500,918.83, 2,088,247,207.27 and 506,184,566.97 is: 759,639,101.95
Step by Step Solution
- Step 1: Write the proportion equation
1,391,500,918.83 : 2,088,247,207.27 = 506,184,566.97 : x - Step 2: Convert to fraction form
1,391,500,918.83/2,088,247,207.27 = 506,184,566.97/x - Step 3: Cross multiply
1,391,500,918.83x = 2,088,247,207.27 × 506,184,566.97 - Step 4: Simplify right side
1,391,500,918.83x = 1,057,038,508,338,276,864 - Step 5: Solve for x
x = 1,057,038,508,338,276,864/1,391,500,918.83 - Step 6: Final answer
x = 759,639,101.95
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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.