Finding the Fourth Proportional to 1,223,995,657.16, 1,836,353,703.10 and 394,933,746.84
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Solution
The fourth proportional to 1,223,995,657.16, 1,836,353,703.10 and 394,933,746.84 is: 592,516,847.79
Step by Step Solution
- Step 1: Write the proportion equation
1,223,995,657.16 : 1,836,353,703.10 = 394,933,746.84 : x - Step 2: Convert to fraction form
1,223,995,657.16/1,836,353,703.10 = 394,933,746.84/x - Step 3: Cross multiply
1,223,995,657.16x = 1,836,353,703.10 × 394,933,746.84 - Step 4: Simplify right side
1,223,995,657.16x = 725,238,048,487,804,544 - Step 5: Solve for x
x = 725,238,048,487,804,544/1,223,995,657.16 - Step 6: Final answer
x = 592,516,847.79
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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.