Finding the Fourth Proportional to 2,808,635,798.48, 3,875,869,901.16 and 1,555,545,750.08
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Solution
The fourth proportional to 2,808,635,798.48, 3,875,869,901.16 and 1,555,545,750.08 is: 2,146,626,827.11
Step by Step Solution
- Step 1: Write the proportion equation
2,808,635,798.48 : 3,875,869,901.16 = 1,555,545,750.08 : x - Step 2: Convert to fraction form
2,808,635,798.48/3,875,869,901.16 = 1,555,545,750.08/x - Step 3: Cross multiply
2,808,635,798.48x = 3,875,869,901.16 × 1,555,545,750.08 - Step 4: Simplify right side
2,808,635,798.48x = 6,029,092,952,612,426,752 - Step 5: Solve for x
x = 6,029,092,952,612,426,752/2,808,635,798.48 - Step 6: Final answer
x = 2,146,626,827.11
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1.5x scale
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.