Finding the Fourth Proportional to 13,730,574,549,286, 18,935,465,153,399 and 10,020,914,889,374
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Solution
The fourth proportional to 13,730,574,549,286, 18,935,465,153,399 and 10,020,914,889,374 is: 13,819,573,537,276.76
Step by Step Solution
- Step 1: Write the proportion equation
13,730,574,549,286 : 18,935,465,153,399 = 10,020,914,889,374 : x - Step 2: Convert to fraction form
13,730,574,549,286/18,935,465,153,399 = 10,020,914,889,374/x - Step 3: Cross multiply
13,730,574,549,286x = 18,935,465,153,399 × 10,020,914,889,374 - Step 4: Simplify right side
13,730,574,549,286x = 189,750,684,692,918,561,476,182,016 - Step 5: Solve for x
x = 189,750,684,692,918,561,476,182,016/13,730,574,549,286 - Step 6: Final answer
x = 13,819,573,537,276.76
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1.5x scale
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.