Finding the Fourth Proportional to 815,624,378,558.20, 1,125,562,758,661.90 and 444,828,692,952.07
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Solution
The fourth proportional to 815,624,378,558.20, 1,125,562,758,661.90 and 444,828,692,952.07 is: 613,864,205,059.89
Step by Step Solution
- Step 1: Write the proportion equation
815,624,378,558.20 : 1,125,562,758,661.90 = 444,828,692,952.07 : x - Step 2: Convert to fraction form
815,624,378,558.20/1,125,562,758,661.90 = 444,828,692,952.07/x - Step 3: Cross multiply
815,624,378,558.20x = 1,125,562,758,661.90 × 444,828,692,952.07 - Step 4: Simplify right side
815,624,378,558.20x = 500,682,610,771,099,136,294,912 - Step 5: Solve for x
x = 500,682,610,771,099,136,294,912/815,624,378,558.20 - Step 6: Final answer
x = 613,864,205,059.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.