Finding the Fourth Proportional to 282,660,649.87, 390,369,079.20 and 251,848,291.18
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Solution
The fourth proportional to 282,660,649.87, 390,369,079.20 and 251,848,291.18 is: 347,815,607.06
Step by Step Solution
- Step 1: Write the proportion equation
282,660,649.87 : 390,369,079.20 = 251,848,291.18 : x - Step 2: Convert to fraction form
282,660,649.87/390,369,079.20 = 251,848,291.18/x - Step 3: Cross multiply
282,660,649.87x = 390,369,079.20 × 251,848,291.18 - Step 4: Simplify right side
282,660,649.87x = 98,313,785,526,030,080 - Step 5: Solve for x
x = 98,313,785,526,030,080/282,660,649.87 - Step 6: Final answer
x = 347,815,607.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.