Finding the Fourth Proportional to 384,913,629.80, 577,370,444.70 and 362,238,813.80
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Solution
The fourth proportional to 384,913,629.80, 577,370,444.70 and 362,238,813.80 is: 543,358,220.70
Step by Step Solution
- Step 1: Write the proportion equation
384,913,629.80 : 577,370,444.70 = 362,238,813.80 : x - Step 2: Convert to fraction form
384,913,629.80/577,370,444.70 = 362,238,813.80/x - Step 3: Cross multiply
384,913,629.80x = 577,370,444.70 × 362,238,813.80 - Step 4: Simplify right side
384,913,629.80x = 209,145,985,011,306,528 - Step 5: Solve for x
x = 209,145,985,011,306,528/384,913,629.80 - Step 6: Final answer
x = 543,358,220.70
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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.