Finding the Fourth Proportional to 799,448,677.05, 1,103,154,239.95 and 442,159,678.06
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Solution
The fourth proportional to 799,448,677.05, 1,103,154,239.95 and 442,159,678.06 is: 610,133,380.14
Step by Step Solution
- Step 1: Write the proportion equation
799,448,677.05 : 1,103,154,239.95 = 442,159,678.06 : x - Step 2: Convert to fraction form
799,448,677.05/1,103,154,239.95 = 442,159,678.06/x - Step 3: Cross multiply
799,448,677.05x = 1,103,154,239.95 × 442,159,678.06 - Step 4: Simplify right side
799,448,677.05x = 487,770,323,582,952,704 - Step 5: Solve for x
x = 487,770,323,582,952,704/799,448,677.05 - Step 6: Final answer
x = 610,133,380.14
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1.5x scale
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.