Finding the Fourth Proportional to 286,426,982,698.92, 429,567,190,991.28 and 84,921,598,811.52
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Solution
The fourth proportional to 286,426,982,698.92, 429,567,190,991.28 and 84,921,598,811.52 is: 127,360,670,814.66
Step by Step Solution
- Step 1: Write the proportion equation
286,426,982,698.92 : 429,567,190,991.28 = 84,921,598,811.52 : x - Step 2: Convert to fraction form
286,426,982,698.92/429,567,190,991.28 = 84,921,598,811.52/x - Step 3: Cross multiply
286,426,982,698.92x = 429,567,190,991.28 × 84,921,598,811.52 - Step 4: Simplify right side
286,426,982,698.92x = 36,479,532,655,953,072,619,520 - Step 5: Solve for x
x = 36,479,532,655,953,072,619,520/286,426,982,698.92 - Step 6: Final answer
x = 127,360,670,814.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.