Finding the Fourth Proportional to 286,353,356.68, 429,451,642.86 and 79,042,208.50
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Solution
The fourth proportional to 286,353,356.68, 429,451,642.86 and 79,042,208.50 is: 118,541,674.14
Step by Step Solution
- Step 1: Write the proportion equation
286,353,356.68 : 429,451,642.86 = 79,042,208.50 : x - Step 2: Convert to fraction form
286,353,356.68/429,451,642.86 = 79,042,208.50/x - Step 3: Cross multiply
286,353,356.68x = 429,451,642.86 × 79,042,208.50 - Step 4: Simplify right side
286,353,356.68x = 33,944,806,295,607,656 - Step 5: Solve for x
x = 33,944,806,295,607,656/286,353,356.68 - Step 6: Final answer
x = 118,541,674.14
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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.