Finding the Fourth Proportional to 783,099,449.84, 1,080,655,675.49 and 430,675,568.73
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Solution
The fourth proportional to 783,099,449.84, 1,080,655,675.49 and 430,675,568.73 is: 594,320,424.74
Step by Step Solution
- Step 1: Write the proportion equation
783,099,449.84 : 1,080,655,675.49 = 430,675,568.73 : x - Step 2: Convert to fraction form
783,099,449.84/1,080,655,675.49 = 430,675,568.73/x - Step 3: Cross multiply
783,099,449.84x = 1,080,655,675.49 × 430,675,568.73 - Step 4: Simplify right side
783,099,449.84x = 465,411,997,644,034,816 - Step 5: Solve for x
x = 465,411,997,644,034,816/783,099,449.84 - Step 6: Final answer
x = 594,320,424.74
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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.