Finding the Fourth Proportional to 1,246,875,542.58, 1,720,687,125.73 and 703,830,815.96
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Solution
The fourth proportional to 1,246,875,542.58, 1,720,687,125.73 and 703,830,815.96 is: 971,285,892.10
Step by Step Solution
- Step 1: Write the proportion equation
1,246,875,542.58 : 1,720,687,125.73 = 703,830,815.96 : x - Step 2: Convert to fraction form
1,246,875,542.58/1,720,687,125.73 = 703,830,815.96/x - Step 3: Cross multiply
1,246,875,542.58x = 1,720,687,125.73 × 703,830,815.96 - Step 4: Simplify right side
1,246,875,542.58x = 1,211,072,623,713,858,048 - Step 5: Solve for x
x = 1,211,072,623,713,858,048/1,246,875,542.58 - Step 6: Final answer
x = 971,285,892.10
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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.