Finding the Fourth Proportional to 770,730,731.42, 1,063,609,461.81 and 418,306,726.98
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Solution
The fourth proportional to 770,730,731.42, 1,063,609,461.81 and 418,306,726.98 is: 577,263,854.44
Step by Step Solution
- Step 1: Write the proportion equation
770,730,731.42 : 1,063,609,461.81 = 418,306,726.98 : x - Step 2: Convert to fraction form
770,730,731.42/1,063,609,461.81 = 418,306,726.98/x - Step 3: Cross multiply
770,730,731.42x = 1,063,609,461.81 × 418,306,726.98 - Step 4: Simplify right side
770,730,731.42x = 444,914,992,754,700,416 - Step 5: Solve for x
x = 444,914,992,754,700,416/770,730,731.42 - Step 6: Final answer
x = 577,263,854.44
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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.