Finding the Fourth Proportional to 709,519,234.90, 1,064,278,852.35 and 514,515,817.30
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Solution
The fourth proportional to 709,519,234.90, 1,064,278,852.35 and 514,515,817.30 is: 771,773,725.95
Step by Step Solution
- Step 1: Write the proportion equation
709,519,234.90 : 1,064,278,852.35 = 514,515,817.30 : x - Step 2: Convert to fraction form
709,519,234.90/1,064,278,852.35 = 514,515,817.30/x - Step 3: Cross multiply
709,519,234.90x = 1,064,278,852.35 × 514,515,817.30 - Step 4: Simplify right side
709,519,234.90x = 547,588,303,551,966,272 - Step 5: Solve for x
x = 547,588,303,551,966,272/709,519,234.90 - Step 6: Final answer
x = 771,773,725.95
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Double scale
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Similar ratio
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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.