Finding the Fourth Proportional to 3,408,090,509.42, 5,115,278,282.14 and 1,728,554,752.12
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Solution
The fourth proportional to 3,408,090,509.42, 5,115,278,282.14 and 1,728,554,752.12 is: 2,594,425,986.80
Step by Step Solution
- Step 1: Write the proportion equation
3,408,090,509.42 : 5,115,278,282.14 = 1,728,554,752.12 : x - Step 2: Convert to fraction form
3,408,090,509.42/5,115,278,282.14 = 1,728,554,752.12/x - Step 3: Cross multiply
3,408,090,509.42x = 5,115,278,282.14 × 1,728,554,752.12 - Step 4: Simplify right side
3,408,090,509.42x = 8,842,038,583,009,327,104 - Step 5: Solve for x
x = 8,842,038,583,009,327,104/3,408,090,509.42 - Step 6: Final answer
x = 2,594,425,986.80
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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.