Finding the Fourth Proportional to 3,386,132,319.84, 5,079,852,579.99 and 1,287,445,549.92
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Solution
The fourth proportional to 3,386,132,319.84, 5,079,852,579.99 and 1,287,445,549.92 is: 1,931,417,021.14
Step by Step Solution
- Step 1: Write the proportion equation
3,386,132,319.84 : 5,079,852,579.99 = 1,287,445,549.92 : x - Step 2: Convert to fraction form
3,386,132,319.84/5,079,852,579.99 = 1,287,445,549.92/x - Step 3: Cross multiply
3,386,132,319.84x = 5,079,852,579.99 × 1,287,445,549.92 - Step 4: Simplify right side
3,386,132,319.84x = 6,540,033,598,357,756,928 - Step 5: Solve for x
x = 6,540,033,598,357,756,928/3,386,132,319.84 - Step 6: Final answer
x = 1,931,417,021.14
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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.