Finding the Fourth Proportional to 469,873,670.70, 704,810,506.05 and 348,941,318.70
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Solution
The fourth proportional to 469,873,670.70, 704,810,506.05 and 348,941,318.70 is: 523,411,978.05
Step by Step Solution
- Step 1: Write the proportion equation
469,873,670.70 : 704,810,506.05 = 348,941,318.70 : x - Step 2: Convert to fraction form
469,873,670.70/704,810,506.05 = 348,941,318.70/x - Step 3: Cross multiply
469,873,670.70x = 704,810,506.05 × 348,941,318.70 - Step 4: Simplify right side
469,873,670.70x = 245,937,507,414,701,312 - Step 5: Solve for x
x = 245,937,507,414,701,312/469,873,670.70 - Step 6: Final answer
x = 523,411,978.05
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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.