Finding the Fourth Proportional to 48,869,489,467.80, 73,304,234,201.70 and 19,425,532,303.80
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Solution
The fourth proportional to 48,869,489,467.80, 73,304,234,201.70 and 19,425,532,303.80 is: 29,138,298,455.70
Step by Step Solution
- Step 1: Write the proportion equation
48,869,489,467.80 : 73,304,234,201.70 = 19,425,532,303.80 : x - Step 2: Convert to fraction form
48,869,489,467.80/73,304,234,201.70 = 19,425,532,303.80/x - Step 3: Cross multiply
48,869,489,467.80x = 73,304,234,201.70 × 19,425,532,303.80 - Step 4: Simplify right side
48,869,489,467.80x = 1,423,973,769,490,444,058,624 - Step 5: Solve for x
x = 1,423,973,769,490,444,058,624/48,869,489,467.80 - Step 6: Final answer
x = 29,138,298,455.70
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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.