Finding the Fourth Proportional to 655,740,588.07, 904,922,893.35 and 377,276,526.55
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Solution
The fourth proportional to 655,740,588.07, 904,922,893.35 and 377,276,526.55 is: 520,642,113.99
Step by Step Solution
- Step 1: Write the proportion equation
655,740,588.07 : 904,922,893.35 = 377,276,526.55 : x - Step 2: Convert to fraction form
655,740,588.07/904,922,893.35 = 377,276,526.55/x - Step 3: Cross multiply
655,740,588.07x = 904,922,893.35 × 377,276,526.55 - Step 4: Simplify right side
655,740,588.07x = 341,406,165,998,664,128 - Step 5: Solve for x
x = 341,406,165,998,664,128/655,740,588.07 - Step 6: Final answer
x = 520,642,113.99
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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.