Finding the Fourth Proportional to 246,829,310,407.18, 340,597,213,417.38 and 138,420,098,486.02
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Solution
The fourth proportional to 246,829,310,407.18, 340,597,213,417.38 and 138,420,098,486.02 is: 191,004,462,750.09
Step by Step Solution
- Step 1: Write the proportion equation
246,829,310,407.18 : 340,597,213,417.38 = 138,420,098,486.02 : x - Step 2: Convert to fraction form
246,829,310,407.18/340,597,213,417.38 = 138,420,098,486.02/x - Step 3: Cross multiply
246,829,310,407.18x = 340,597,213,417.38 × 138,420,098,486.02 - Step 4: Simplify right side
246,829,310,407.18x = 47,145,499,825,297,705,402,368 - Step 5: Solve for x
x = 47,145,499,825,297,705,402,368/246,829,310,407.18 - Step 6: Final answer
x = 191,004,462,750.09
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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.