Finding the Fourth Proportional to 26,805,304,844.16, 40,155,649,381.12 and 20,882,129,838.08
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Solution
The fourth proportional to 26,805,304,844.16, 40,155,649,381.12 and 20,882,129,838.08 is: 31,282,445,358.63
Step by Step Solution
- Step 1: Write the proportion equation
26,805,304,844.16 : 40,155,649,381.12 = 20,882,129,838.08 : x - Step 2: Convert to fraction form
26,805,304,844.16/40,155,649,381.12 = 20,882,129,838.08/x - Step 3: Cross multiply
26,805,304,844.16x = 40,155,649,381.12 × 20,882,129,838.08 - Step 4: Simplify right side
26,805,304,844.16x = 838,535,484,108,964,757,504 - Step 5: Solve for x
x = 838,535,484,108,964,757,504/26,805,304,844.16 - Step 6: Final answer
x = 31,282,445,358.63
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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.