Finding the Fourth Proportional to 2,152,388,967,893.80, 3,228,586,559,155.60 and 878,973,762,883.80
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Solution
The fourth proportional to 2,152,388,967,893.80, 3,228,586,559,155.60 and 878,973,762,883.80 is: 1,318,461,913,263.75
Step by Step Solution
- Step 1: Write the proportion equation
2,152,388,967,893.80 : 3,228,586,559,155.60 = 878,973,762,883.80 : x - Step 2: Convert to fraction form
2,152,388,967,893.80/3,228,586,559,155.60 = 878,973,762,883.80/x - Step 3: Cross multiply
2,152,388,967,893.80x = 3,228,586,559,155.60 × 878,973,762,883.80 - Step 4: Simplify right side
2,152,388,967,893.80x = 2,837,842,876,697,058,541,043,712 - Step 5: Solve for x
x = 2,837,842,876,697,058,541,043,712/2,152,388,967,893.80 - Step 6: Final answer
x = 1,318,461,913,263.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.