Finding the Fourth Proportional to 1,262,461,462.96, 1,742,250,623.61 and 705,544,493.62
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Solution
The fourth proportional to 1,262,461,462.96, 1,742,250,623.61 and 705,544,493.62 is: 973,681,470.73
Step by Step Solution
- Step 1: Write the proportion equation
1,262,461,462.96 : 1,742,250,623.61 = 705,544,493.62 : x - Step 2: Convert to fraction form
1,262,461,462.96/1,742,250,623.61 = 705,544,493.62/x - Step 3: Cross multiply
1,262,461,462.96x = 1,742,250,623.61 × 705,544,493.62 - Step 4: Simplify right side
1,262,461,462.96x = 1,229,235,333,994,046,720 - Step 5: Solve for x
x = 1,229,235,333,994,046,720/1,262,461,462.96 - Step 6: Final answer
x = 973,681,470.73
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.