Finding the Fourth Proportional to 19,852,068,232.80, 29,778,102,349.20 and 8,811,700,322.40
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Solution
The fourth proportional to 19,852,068,232.80, 29,778,102,349.20 and 8,811,700,322.40 is: 13,217,550,483.60
Step by Step Solution
- Step 1: Write the proportion equation
19,852,068,232.80 : 29,778,102,349.20 = 8,811,700,322.40 : x - Step 2: Convert to fraction form
19,852,068,232.80/29,778,102,349.20 = 8,811,700,322.40/x - Step 3: Cross multiply
19,852,068,232.80x = 29,778,102,349.20 × 8,811,700,322.40 - Step 4: Simplify right side
19,852,068,232.80x = 262,395,714,070,905,847,808 - Step 5: Solve for x
x = 262,395,714,070,905,847,808/19,852,068,232.80 - Step 6: Final answer
x = 13,217,550,483.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.