Finding the Fourth Proportional to 776,440,042.31, 1,165,238,497.89 and 569,712,651.09
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Solution
The fourth proportional to 776,440,042.31, 1,165,238,497.89 and 569,712,651.09 is: 854,993,402.73
Step by Step Solution
- Step 1: Write the proportion equation
776,440,042.31 : 1,165,238,497.89 = 569,712,651.09 : x - Step 2: Convert to fraction form
776,440,042.31/1,165,238,497.89 = 569,712,651.09/x - Step 3: Cross multiply
776,440,042.31x = 1,165,238,497.89 × 569,712,651.09 - Step 4: Simplify right side
776,440,042.31x = 663,851,113,785,041,408 - Step 5: Solve for x
x = 663,851,113,785,041,408/776,440,042.31 - Step 6: Final answer
x = 854,993,402.73
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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.