Finding the Fourth Proportional to 607,589,923.91, 838,608,982.68 and 369,384,492.74
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Solution
The fourth proportional to 607,589,923.91, 838,608,982.68 and 369,384,492.74 is: 509,832,604.99
Step by Step Solution
- Step 1: Write the proportion equation
607,589,923.91 : 838,608,982.68 = 369,384,492.74 : x - Step 2: Convert to fraction form
607,589,923.91/838,608,982.68 = 369,384,492.74/x - Step 3: Cross multiply
607,589,923.91x = 838,608,982.68 × 369,384,492.74 - Step 4: Simplify right side
607,589,923.91x = 309,769,153,674,285,696 - Step 5: Solve for x
x = 309,769,153,674,285,696/607,589,923.91 - Step 6: Final answer
x = 509,832,604.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.