Finding the Fourth Proportional to 461,063,609.30, 636,265,877.42 and 249,370,674.68
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Solution
The fourth proportional to 461,063,609.30, 636,265,877.42 and 249,370,674.68 is: 344,130,501.58
Step by Step Solution
- Step 1: Write the proportion equation
461,063,609.30 : 636,265,877.42 = 249,370,674.68 : x - Step 2: Convert to fraction form
461,063,609.30/636,265,877.42 = 249,370,674.68/x - Step 3: Cross multiply
461,063,609.30x = 636,265,877.42 × 249,370,674.68 - Step 4: Simplify right side
461,063,609.30x = 158,666,051,128,087,584 - Step 5: Solve for x
x = 158,666,051,128,087,584/461,063,609.30 - Step 6: Final answer
x = 344,130,501.58
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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.