Finding the Fourth Proportional to 249,743,246.40, 374,614,869.60 and 245,916,871.20
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Solution
The fourth proportional to 249,743,246.40, 374,614,869.60 and 245,916,871.20 is: 368,875,306.80
Step by Step Solution
- Step 1: Write the proportion equation
249,743,246.40 : 374,614,869.60 = 245,916,871.20 : x - Step 2: Convert to fraction form
249,743,246.40/374,614,869.60 = 245,916,871.20/x - Step 3: Cross multiply
249,743,246.40x = 374,614,869.60 × 245,916,871.20 - Step 4: Simplify right side
249,743,246.40x = 92,124,116,637,028,000 - Step 5: Solve for x
x = 92,124,116,637,028,000/249,743,246.40 - Step 6: Final answer
x = 368,875,306.80
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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.