Finding the Fourth Proportional to 2,875,904,585.20, 4,313,856,877.80 and 1,651,464,521.20
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Solution
The fourth proportional to 2,875,904,585.20, 4,313,856,877.80 and 1,651,464,521.20 is: 2,477,196,781.80
Step by Step Solution
- Step 1: Write the proportion equation
2,875,904,585.20 : 4,313,856,877.80 = 1,651,464,521.20 : x - Step 2: Convert to fraction form
2,875,904,585.20/4,313,856,877.80 = 1,651,464,521.20/x - Step 3: Cross multiply
2,875,904,585.20x = 4,313,856,877.80 × 1,651,464,521.20 - Step 4: Simplify right side
2,875,904,585.20x = 7,124,181,583,221,304,320 - Step 5: Solve for x
x = 7,124,181,583,221,304,320/2,875,904,585.20 - Step 6: Final answer
x = 2,477,196,781.80
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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.