Finding the Fourth Proportional to 3,151,872,000.80, 4,727,808,001.20 and 3,108,873,831.20
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Solution
The fourth proportional to 3,151,872,000.80, 4,727,808,001.20 and 3,108,873,831.20 is: 4,663,310,746.80
Step by Step Solution
- Step 1: Write the proportion equation
3,151,872,000.80 : 4,727,808,001.20 = 3,108,873,831.20 : x - Step 2: Convert to fraction form
3,151,872,000.80/4,727,808,001.20 = 3,108,873,831.20/x - Step 3: Cross multiply
3,151,872,000.80x = 4,727,808,001.20 × 3,108,873,831.20 - Step 4: Simplify right side
3,151,872,000.80x = 14,698,158,573,868,656,640 - Step 5: Solve for x
x = 14,698,158,573,868,656,640/3,151,872,000.80 - Step 6: Final answer
x = 4,663,310,746.80
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1.5x scale
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.