Finding the Fourth Proportional to 45,438,492,797.20, 68,157,739,195.80 and 26,609,857,031.80
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Solution
The fourth proportional to 45,438,492,797.20, 68,157,739,195.80 and 26,609,857,031.80 is: 39,914,785,547.70
Step by Step Solution
- Step 1: Write the proportion equation
45,438,492,797.20 : 68,157,739,195.80 = 26,609,857,031.80 : x - Step 2: Convert to fraction form
45,438,492,797.20/68,157,739,195.80 = 26,609,857,031.80/x - Step 3: Cross multiply
45,438,492,797.20x = 68,157,739,195.80 × 26,609,857,031.80 - Step 4: Simplify right side
45,438,492,797.20x = 1,813,667,695,610,949,009,408 - Step 5: Solve for x
x = 1,813,667,695,610,949,009,408/45,438,492,797.20 - Step 6: Final answer
x = 39,914,785,547.70
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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.