Finding the Fourth Proportional to 1,915,190,347.52, 2,642,961,485.79 and 1,035,124,051.52
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Solution
The fourth proportional to 1,915,190,347.52, 2,642,961,485.79 and 1,035,124,051.52 is: 1,428,470,545.88
Step by Step Solution
- Step 1: Write the proportion equation
1,915,190,347.52 : 2,642,961,485.79 = 1,035,124,051.52 : x - Step 2: Convert to fraction form
1,915,190,347.52/2,642,961,485.79 = 1,035,124,051.52/x - Step 3: Cross multiply
1,915,190,347.52x = 2,642,961,485.79 × 1,035,124,051.52 - Step 4: Simplify right side
1,915,190,347.52x = 2,735,793,001,182,263,808 - Step 5: Solve for x
x = 2,735,793,001,182,263,808/1,915,190,347.52 - Step 6: Final answer
x = 1,428,470,545.88
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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.