Finding the Fourth Proportional to 7,222,804,866,726.60, 9,967,472,343,051 and 3,974,865,197,194.80
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Solution
The fourth proportional to 7,222,804,866,726.60, 9,967,472,343,051 and 3,974,865,197,194.80 is: 5,485,314,867,484.54
Step by Step Solution
- Step 1: Write the proportion equation
7,222,804,866,726.60 : 9,967,472,343,051 = 3,974,865,197,194.80 : x - Step 2: Convert to fraction form
7,222,804,866,726.60/9,967,472,343,051 = 3,974,865,197,194.80/x - Step 3: Cross multiply
7,222,804,866,726.60x = 9,967,472,343,051 × 3,974,865,197,194.80 - Step 4: Simplify right side
7,222,804,866,726.60x = 39,619,358,920,395,123,786,252,288 - Step 5: Solve for x
x = 39,619,358,920,395,123,786,252,288/7,222,804,866,726.60 - Step 6: Final answer
x = 5,485,314,867,484.54
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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.