Finding the Fourth Proportional to 724,102,757.14, 999,367,101.06 and 406,598,646.10
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Solution
The fourth proportional to 724,102,757.14, 999,367,101.06 and 406,598,646.10 is: 561,165,257.61
Step by Step Solution
- Step 1: Write the proportion equation
724,102,757.14 : 999,367,101.06 = 406,598,646.10 : x - Step 2: Convert to fraction form
724,102,757.14/999,367,101.06 = 406,598,646.10/x - Step 3: Cross multiply
724,102,757.14x = 999,367,101.06 × 406,598,646.10 - Step 4: Simplify right side
724,102,757.14x = 406,341,310,247,877,888 - Step 5: Solve for x
x = 406,341,310,247,877,888/724,102,757.14 - Step 6: Final answer
x = 561,165,257.61
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.