Finding the Fourth Proportional to 2,238,139,495.80, 3,357,209,243.70 and 664,303,546.35
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Solution
The fourth proportional to 2,238,139,495.80, 3,357,209,243.70 and 664,303,546.35 is: 996,455,319.53
Step by Step Solution
- Step 1: Write the proportion equation
2,238,139,495.80 : 3,357,209,243.70 = 664,303,546.35 : x - Step 2: Convert to fraction form
2,238,139,495.80/3,357,209,243.70 = 664,303,546.35/x - Step 3: Cross multiply
2,238,139,495.80x = 3,357,209,243.70 × 664,303,546.35 - Step 4: Simplify right side
2,238,139,495.80x = 2,230,206,006,428,911,360 - Step 5: Solve for x
x = 2,230,206,006,428,911,360/2,238,139,495.80 - Step 6: Final answer
x = 996,455,319.53
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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.