Finding the Fourth Proportional to 692,475,650.54, 1,038,777,330.18 and 226,139,518.47
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Solution
The fourth proportional to 692,475,650.54, 1,038,777,330.18 and 226,139,518.47 is: 339,230,130.42
Step by Step Solution
- Step 1: Write the proportion equation
692,475,650.54 : 1,038,777,330.18 = 226,139,518.47 : x - Step 2: Convert to fraction form
692,475,650.54/1,038,777,330.18 = 226,139,518.47/x - Step 3: Cross multiply
692,475,650.54x = 1,038,777,330.18 × 226,139,518.47 - Step 4: Simplify right side
692,475,650.54x = 234,908,605,244,457,376 - Step 5: Solve for x
x = 234,908,605,244,457,376/692,475,650.54 - Step 6: Final answer
x = 339,230,130.42
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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.