Finding the Fourth Proportional to 461,063,947.05, 636,266,344.59 and 249,371,014.05
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Solution
The fourth proportional to 461,063,947.05, 636,266,344.59 and 249,371,014.05 is: 344,130,970.49
Step by Step Solution
- Step 1: Write the proportion equation
461,063,947.05 : 636,266,344.59 = 249,371,014.05 : x - Step 2: Convert to fraction form
461,063,947.05/636,266,344.59 = 249,371,014.05/x - Step 3: Cross multiply
461,063,947.05x = 636,266,344.59 × 249,371,014.05 - Step 4: Simplify right side
461,063,947.05x = 158,666,383,556,295,040 - Step 5: Solve for x
x = 158,666,383,556,295,040/461,063,947.05 - Step 6: Final answer
x = 344,130,970.49
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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.