Finding the Fourth Proportional to 386,297,640,673.06, 579,446,324,627.58 and 103,309,129,068.48
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Solution
The fourth proportional to 386,297,640,673.06, 579,446,324,627.58 and 103,309,129,068.48 is: 154,963,657,129.53
Step by Step Solution
- Step 1: Write the proportion equation
386,297,640,673.06 : 579,446,324,627.58 = 103,309,129,068.48 : x - Step 2: Convert to fraction form
386,297,640,673.06/579,446,324,627.58 = 103,309,129,068.48/x - Step 3: Cross multiply
386,297,640,673.06x = 579,446,324,627.58 × 103,309,129,068.48 - Step 4: Simplify right side
386,297,640,673.06x = 59,862,095,139,207,016,087,552 - Step 5: Solve for x
x = 59,862,095,139,207,016,087,552/386,297,640,673.06 - Step 6: Final answer
x = 154,963,657,129.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.