Finding the Fourth Proportional to 821,064,456.38, 1,133,059,929.36 and 444,711,681.02
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Solution
The fourth proportional to 821,064,456.38, 1,133,059,929.36 and 444,711,681.02 is: 613,697,234.08
Step by Step Solution
- Step 1: Write the proportion equation
821,064,456.38 : 1,133,059,929.36 = 444,711,681.02 : x - Step 2: Convert to fraction form
821,064,456.38/1,133,059,929.36 = 444,711,681.02/x - Step 3: Cross multiply
821,064,456.38x = 1,133,059,929.36 × 444,711,681.02 - Step 4: Simplify right side
821,064,456.38x = 503,884,985,883,230,784 - Step 5: Solve for x
x = 503,884,985,883,230,784/821,064,456.38 - Step 6: Final answer
x = 613,697,234.08
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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.