Finding the Fourth Proportional to 811,361,054,955.60, 1,217,277,132,652.80 and 327,065,344,300.80
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Solution
The fourth proportional to 811,361,054,955.60, 1,217,277,132,652.80 and 327,065,344,300.80 is: 490,692,968,400.32
Step by Step Solution
- Step 1: Write the proportion equation
811,361,054,955.60 : 1,217,277,132,652.80 = 327,065,344,300.80 : x - Step 2: Convert to fraction form
811,361,054,955.60/1,217,277,132,652.80 = 327,065,344,300.80/x - Step 3: Cross multiply
811,361,054,955.60x = 1,217,277,132,652.80 × 327,065,344,300.80 - Step 4: Simplify right side
811,361,054,955.60x = 398,129,164,500,578,617,786,368 - Step 5: Solve for x
x = 398,129,164,500,578,617,786,368/811,361,054,955.60 - Step 6: Final answer
x = 490,692,968,400.32
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.