Finding the Fourth Proportional to 473,218,684.60, 709,720,717.78 and 214,262,954.68
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Solution
The fourth proportional to 473,218,684.60, 709,720,717.78 and 214,262,954.68 is: 321,345,844.82
Step by Step Solution
- Step 1: Write the proportion equation
473,218,684.60 : 709,720,717.78 = 214,262,954.68 : x - Step 2: Convert to fraction form
473,218,684.60/709,720,717.78 = 214,262,954.68/x - Step 3: Cross multiply
473,218,684.60x = 709,720,717.78 × 214,262,954.68 - Step 4: Simplify right side
473,218,684.60x = 152,066,857,989,153,216 - Step 5: Solve for x
x = 152,066,857,989,153,216/473,218,684.60 - Step 6: Final answer
x = 321,345,844.82
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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.