Finding the Fourth Proportional to 14,159,246,323.18, 19,539,761,839.16 and 7,815,615,353.24
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Solution
The fourth proportional to 14,159,246,323.18, 19,539,761,839.16 and 7,815,615,353.24 is: 10,785,550,243.50
Step by Step Solution
- Step 1: Write the proportion equation
14,159,246,323.18 : 19,539,761,839.16 = 7,815,615,353.24 : x - Step 2: Convert to fraction form
14,159,246,323.18/19,539,761,839.16 = 7,815,615,353.24/x - Step 3: Cross multiply
14,159,246,323.18x = 19,539,761,839.16 × 7,815,615,353.24 - Step 4: Simplify right side
14,159,246,323.18x = 152,715,262,628,791,943,168 - Step 5: Solve for x
x = 152,715,262,628,791,943,168/14,159,246,323.18 - Step 6: Final answer
x = 10,785,550,243.50
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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.