Finding the Fourth Proportional to 438,565,814.18, 657,842,522.12 and 106,575,264.24
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Solution
The fourth proportional to 438,565,814.18, 657,842,522.12 and 106,575,264.24 is: 159,861,389.91
Step by Step Solution
- Step 1: Write the proportion equation
438,565,814.18 : 657,842,522.12 = 106,575,264.24 : x - Step 2: Convert to fraction form
438,565,814.18/657,842,522.12 = 106,575,264.24/x - Step 3: Cross multiply
438,565,814.18x = 657,842,522.12 × 106,575,264.24 - Step 4: Simplify right side
438,565,814.18x = 70,109,740,623,247,040 - Step 5: Solve for x
x = 70,109,740,623,247,040/438,565,814.18 - Step 6: Final answer
x = 159,861,389.91
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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.