Finding the Fourth Proportional to 1,029,519,134.48, 1,420,737,321.06 and 559,620,455.44
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Solution
The fourth proportional to 1,029,519,134.48, 1,420,737,321.06 and 559,620,455.44 is: 772,276,726.14
Step by Step Solution
- Step 1: Write the proportion equation
1,029,519,134.48 : 1,420,737,321.06 = 559,620,455.44 : x - Step 2: Convert to fraction form
1,029,519,134.48/1,420,737,321.06 = 559,620,455.44/x - Step 3: Cross multiply
1,029,519,134.48x = 1,420,737,321.06 × 559,620,455.44 - Step 4: Simplify right side
1,029,519,134.48x = 795,073,666,672,202,752 - Step 5: Solve for x
x = 795,073,666,672,202,752/1,029,519,134.48 - Step 6: Final answer
x = 772,276,726.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.