Finding the Fourth Proportional to 461,345,730.75, 636,654,817 and 249,652,412.19
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Solution
The fourth proportional to 461,345,730.75, 636,654,817 and 249,652,412.19 is: 344,519,088.84
Step by Step Solution
- Step 1: Write the proportion equation
461,345,730.75 : 636,654,817 = 249,652,412.19 : x - Step 2: Convert to fraction form
461,345,730.75/636,654,817 = 249,652,412.19/x - Step 3: Cross multiply
461,345,730.75x = 636,654,817 × 249,652,412.19 - Step 4: Simplify right side
461,345,730.75x = 158,942,410,796,433,024 - Step 5: Solve for x
x = 158,942,410,796,433,024/461,345,730.75 - Step 6: Final answer
x = 344,519,088.84
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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.