Finding the Fourth Proportional to 4,642,317,921.98, 6,406,371,445.02 and 2,527,768,803.30
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Solution
The fourth proportional to 4,642,317,921.98, 6,406,371,445.02 and 2,527,768,803.30 is: 3,488,306,090.46
Step by Step Solution
- Step 1: Write the proportion equation
4,642,317,921.98 : 6,406,371,445.02 = 2,527,768,803.30 : x - Step 2: Convert to fraction form
4,642,317,921.98/6,406,371,445.02 = 2,527,768,803.30/x - Step 3: Cross multiply
4,642,317,921.98x = 6,406,371,445.02 × 2,527,768,803.30 - Step 4: Simplify right side
4,642,317,921.98x = 16,193,825,881,073,500,160 - Step 5: Solve for x
x = 16,193,825,881,073,500,160/4,642,317,921.98 - Step 6: Final answer
x = 3,488,306,090.46
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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.