Finding the Fourth Proportional to 5,228,427,332.25, 7,842,636,206.58 and 1,638,880,260.00
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Solution
The fourth proportional to 5,228,427,332.25, 7,842,636,206.58 and 1,638,880,260.00 is: 2,458,318,887.98
Step by Step Solution
- Step 1: Write the proportion equation
5,228,427,332.25 : 7,842,636,206.58 = 1,638,880,260.00 : x - Step 2: Convert to fraction form
5,228,427,332.25/7,842,636,206.58 = 1,638,880,260.00/x - Step 3: Cross multiply
5,228,427,332.25x = 7,842,636,206.58 × 1,638,880,260.00 - Step 4: Simplify right side
5,228,427,332.25x = 12,853,141,665,301,506,048 - Step 5: Solve for x
x = 12,853,141,665,301,506,048/5,228,427,332.25 - Step 6: Final answer
x = 2,458,318,887.98
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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.