Finding the Fourth Proportional to 1,190,838,782.13, 1,786,461,675.73 and 490,948,322.31
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Solution
The fourth proportional to 1,190,838,782.13, 1,786,461,675.73 and 490,948,322.31 is: 736,506,381.66
Step by Step Solution
- Step 1: Write the proportion equation
1,190,838,782.13 : 1,786,461,675.73 = 490,948,322.31 : x - Step 2: Convert to fraction form
1,190,838,782.13/1,786,461,675.73 = 490,948,322.31/x - Step 3: Cross multiply
1,190,838,782.13x = 1,786,461,675.73 × 490,948,322.31 - Step 4: Simplify right side
1,190,838,782.13x = 877,060,362,570,754,816 - Step 5: Solve for x
x = 877,060,362,570,754,816/1,190,838,782.13 - Step 6: Final answer
x = 736,506,381.66
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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.