Finding the Fourth Proportional to 562,470,902.68, 776,216,054.10 and 311,579,137.48
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Solution
The fourth proportional to 562,470,902.68, 776,216,054.10 and 311,579,137.48 is: 429,982,648.85
Step by Step Solution
- Step 1: Write the proportion equation
562,470,902.68 : 776,216,054.10 = 311,579,137.48 : x - Step 2: Convert to fraction form
562,470,902.68/776,216,054.10 = 311,579,137.48/x - Step 3: Cross multiply
562,470,902.68x = 776,216,054.10 × 311,579,137.48 - Step 4: Simplify right side
562,470,902.68x = 241,852,728,634,607,040 - Step 5: Solve for x
x = 241,852,728,634,607,040/562,470,902.68 - Step 6: Final answer
x = 429,982,648.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.