Finding the Fourth Proportional to 296,718,778.84, 409,417,772.87 and 171,225,192.91
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Solution
The fourth proportional to 296,718,778.84, 409,417,772.87 and 171,225,192.91 is: 236,259,522.95
Step by Step Solution
- Step 1: Write the proportion equation
296,718,778.84 : 409,417,772.87 = 171,225,192.91 : x - Step 2: Convert to fraction form
296,718,778.84/409,417,772.87 = 171,225,192.91/x - Step 3: Cross multiply
296,718,778.84x = 409,417,772.87 × 171,225,192.91 - Step 4: Simplify right side
296,718,778.84x = 70,102,637,140,448,312 - Step 5: Solve for x
x = 70,102,637,140,448,312/296,718,778.84 - Step 6: Final answer
x = 236,259,522.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.