Finding the Fourth Proportional to 655,503,790.14, 904,584,670.02 and 358,139,645.46
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Solution
The fourth proportional to 655,503,790.14, 904,584,670.02 and 358,139,645.46 is: 494,226,940.99
Step by Step Solution
- Step 1: Write the proportion equation
655,503,790.14 : 904,584,670.02 = 358,139,645.46 : x - Step 2: Convert to fraction form
655,503,790.14/904,584,670.02 = 358,139,645.46/x - Step 3: Cross multiply
655,503,790.14x = 904,584,670.02 × 358,139,645.46 - Step 4: Simplify right side
655,503,790.14x = 323,967,633,009,513,856 - Step 5: Solve for x
x = 323,967,633,009,513,856/655,503,790.14 - Step 6: Final answer
x = 494,226,940.99
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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.