Finding the Fourth Proportional to 562,720,757.39, 776,559,204.74 and 311,829,340.07
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Solution
The fourth proportional to 562,720,757.39, 776,559,204.74 and 311,829,340.07 is: 430,327,015.94
Step by Step Solution
- Step 1: Write the proportion equation
562,720,757.39 : 776,559,204.74 = 311,829,340.07 : x - Step 2: Convert to fraction form
562,720,757.39/776,559,204.74 = 311,829,340.07/x - Step 3: Cross multiply
562,720,757.39x = 776,559,204.74 × 311,829,340.07 - Step 4: Simplify right side
562,720,757.39x = 242,153,944,336,254,976 - Step 5: Solve for x
x = 242,153,944,336,254,976/562,720,757.39 - Step 6: Final answer
x = 430,327,015.94
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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.