Finding the Fourth Proportional to 1,628,169,747.20, 2,442,254,620.80 and 975,135,046.40
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Solution
The fourth proportional to 1,628,169,747.20, 2,442,254,620.80 and 975,135,046.40 is: 1,462,702,569.60
Step by Step Solution
- Step 1: Write the proportion equation
1,628,169,747.20 : 2,442,254,620.80 = 975,135,046.40 : x - Step 2: Convert to fraction form
1,628,169,747.20/2,442,254,620.80 = 975,135,046.40/x - Step 3: Cross multiply
1,628,169,747.20x = 2,442,254,620.80 × 975,135,046.40 - Step 4: Simplify right side
1,628,169,747.20x = 2,381,528,072,974,422,528 - Step 5: Solve for x
x = 2,381,528,072,974,422,528/1,628,169,747.20 - Step 6: Final answer
x = 1,462,702,569.60
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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.