Finding the Fourth Proportional to 1,861,129,667,157.20, 2,792,542,743,164.40 and 955,203,655,133.52
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Solution
The fourth proportional to 1,861,129,667,157.20, 2,792,542,743,164.40 and 955,203,655,133.52 is: 1,433,240,833,488.86
Step by Step Solution
- Step 1: Write the proportion equation
1,861,129,667,157.20 : 2,792,542,743,164.40 = 955,203,655,133.52 : x - Step 2: Convert to fraction form
1,861,129,667,157.20/2,792,542,743,164.40 = 955,203,655,133.52/x - Step 3: Cross multiply
1,861,129,667,157.20x = 2,792,542,743,164.40 × 955,203,655,133.52 - Step 4: Simplify right side
1,861,129,667,157.20x = 2,667,447,035,387,221,439,938,560 - Step 5: Solve for x
x = 2,667,447,035,387,221,439,938,560/1,861,129,667,157.20 - Step 6: Final answer
x = 1,433,240,833,488.86
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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.