Finding the Fourth Proportional to 664,677,501.48, 996,125,032.71 and 517,303,007.28
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Solution
The fourth proportional to 664,677,501.48, 996,125,032.71 and 517,303,007.28 is: 775,260,895.55
Step by Step Solution
- Step 1: Write the proportion equation
664,677,501.48 : 996,125,032.71 = 517,303,007.28 : x - Step 2: Convert to fraction form
664,677,501.48/996,125,032.71 = 517,303,007.28/x - Step 3: Cross multiply
664,677,501.48x = 996,125,032.71 × 517,303,007.28 - Step 4: Simplify right side
664,677,501.48x = 515,298,475,047,771,328 - Step 5: Solve for x
x = 515,298,475,047,771,328/664,677,501.48 - Step 6: Final answer
x = 775,260,895.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.