Finding the Fourth Proportional to 5,366,269,995.01, 7,405,697,002.80 and 2,987,559,011.68
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Solution
The fourth proportional to 5,366,269,995.01, 7,405,697,002.80 and 2,987,559,011.68 is: 4,122,967,506.12
Step by Step Solution
- Step 1: Write the proportion equation
5,366,269,995.01 : 7,405,697,002.80 = 2,987,559,011.68 : x - Step 2: Convert to fraction form
5,366,269,995.01/7,405,697,002.80 = 2,987,559,011.68/x - Step 3: Cross multiply
5,366,269,995.01x = 7,405,697,002.80 × 2,987,559,011.68 - Step 4: Simplify right side
5,366,269,995.01x = 22,124,956,818,486,706,176 - Step 5: Solve for x
x = 22,124,956,818,486,706,176/5,366,269,995.01 - Step 6: Final answer
x = 4,122,967,506.12
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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.