Finding the Fourth Proportional to 1,053,806,710.88, 1,580,713,536.36 and 266,859,932.96
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Solution
The fourth proportional to 1,053,806,710.88, 1,580,713,536.36 and 266,859,932.96 is: 400,290,778.17
Step by Step Solution
- Step 1: Write the proportion equation
1,053,806,710.88 : 1,580,713,536.36 = 266,859,932.96 : x - Step 2: Convert to fraction form
1,053,806,710.88/1,580,713,536.36 = 266,859,932.96/x - Step 3: Cross multiply
1,053,806,710.88x = 1,580,713,536.36 × 266,859,932.96 - Step 4: Simplify right side
1,053,806,710.88x = 421,829,108,341,994,112 - Step 5: Solve for x
x = 421,829,108,341,994,112/1,053,806,710.88 - Step 6: Final answer
x = 400,290,778.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.