Finding the Fourth Proportional to 609,724,886.13, 841,420,341.62 and 345,406,878.81
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Solution
The fourth proportional to 609,724,886.13, 841,420,341.62 and 345,406,878.81 is: 476,661,492.05
Step by Step Solution
- Step 1: Write the proportion equation
609,724,886.13 : 841,420,341.62 = 345,406,878.81 : x - Step 2: Convert to fraction form
609,724,886.13/841,420,341.62 = 345,406,878.81/x - Step 3: Cross multiply
609,724,886.13x = 841,420,341.62 × 345,406,878.81 - Step 4: Simplify right side
609,724,886.13x = 290,632,373,964,481,088 - Step 5: Solve for x
x = 290,632,373,964,481,088/609,724,886.13 - Step 6: Final answer
x = 476,661,492.05
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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.