Finding the Fourth Proportional to 1,513,595,203,228.20, 2,088,774,404,202.80 and 863,306,711,679.60
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Solution
The fourth proportional to 1,513,595,203,228.20, 2,088,774,404,202.80 and 863,306,711,679.60 is: 1,191,370,690,450.69
Step by Step Solution
- Step 1: Write the proportion equation
1,513,595,203,228.20 : 2,088,774,404,202.80 = 863,306,711,679.60 : x - Step 2: Convert to fraction form
1,513,595,203,228.20/2,088,774,404,202.80 = 863,306,711,679.60/x - Step 3: Cross multiply
1,513,595,203,228.20x = 2,088,774,404,202.80 × 863,306,711,679.60 - Step 4: Simplify right side
1,513,595,203,228.20x = 1,803,252,962,332,834,845,949,952 - Step 5: Solve for x
x = 1,803,252,962,332,834,845,949,952/1,513,595,203,228.20 - Step 6: Final answer
x = 1,191,370,690,450.69
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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.