Finding the Fourth Proportional to 1,555,989,456.84, 2,334,147,700.26 and 506,809,417.48
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Solution
The fourth proportional to 1,555,989,456.84, 2,334,147,700.26 and 506,809,417.48 is: 760,267,385.54
Step by Step Solution
- Step 1: Write the proportion equation
1,555,989,456.84 : 2,334,147,700.26 = 506,809,417.48 : x - Step 2: Convert to fraction form
1,555,989,456.84/2,334,147,700.26 = 506,809,417.48/x - Step 3: Cross multiply
1,555,989,456.84x = 2,334,147,700.26 × 506,809,417.48 - Step 4: Simplify right side
1,555,989,456.84x = 1,182,968,036,281,052,416 - Step 5: Solve for x
x = 1,182,968,036,281,052,416/1,555,989,456.84 - Step 6: Final answer
x = 760,267,385.54
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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.