Finding the Fourth Proportional to 26,963,279,351.98, 37,178,875,715.70 and 20,167,318,575.05
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Solution
The fourth proportional to 26,963,279,351.98, 37,178,875,715.70 and 20,167,318,575.05 is: 27,808,124,562.03
Step by Step Solution
- Step 1: Write the proportion equation
26,963,279,351.98 : 37,178,875,715.70 = 20,167,318,575.05 : x - Step 2: Convert to fraction form
26,963,279,351.98/37,178,875,715.70 = 20,167,318,575.05/x - Step 3: Cross multiply
26,963,279,351.98x = 37,178,875,715.70 × 20,167,318,575.05 - Step 4: Simplify right side
26,963,279,351.98x = 749,798,230,820,711,825,408 - Step 5: Solve for x
x = 749,798,230,820,711,825,408/26,963,279,351.98 - Step 6: Final answer
x = 27,808,124,562.03
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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.