Finding the Fourth Proportional to 384,020,905.06, 529,950,244.98 and 207,808,882.12
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Solution
The fourth proportional to 384,020,905.06, 529,950,244.98 and 207,808,882.12 is: 286,777,012.75
Step by Step Solution
- Step 1: Write the proportion equation
384,020,905.06 : 529,950,244.98 = 207,808,882.12 : x - Step 2: Convert to fraction form
384,020,905.06/529,950,244.98 = 207,808,882.12/x - Step 3: Cross multiply
384,020,905.06x = 529,950,244.98 × 207,808,882.12 - Step 4: Simplify right side
384,020,905.06x = 110,128,367,988,513,952 - Step 5: Solve for x
x = 110,128,367,988,513,952/384,020,905.06 - Step 6: Final answer
x = 286,777,012.75
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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.