Finding the Fourth Proportional to 926,645,403.84, 1,278,849,522.42 and 524,830,632.36
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Solution
The fourth proportional to 926,645,403.84, 1,278,849,522.42 and 524,830,632.36 is: 724,310,940.05
Step by Step Solution
- Step 1: Write the proportion equation
926,645,403.84 : 1,278,849,522.42 = 524,830,632.36 : x - Step 2: Convert to fraction form
926,645,403.84/1,278,849,522.42 = 524,830,632.36/x - Step 3: Cross multiply
926,645,403.84x = 1,278,849,522.42 × 524,830,632.36 - Step 4: Simplify right side
926,645,403.84x = 671,179,403,544,972,672 - Step 5: Solve for x
x = 671,179,403,544,972,672/926,645,403.84 - Step 6: Final answer
x = 724,310,940.05
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Double scale
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Similar ratio
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1.5x scale
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.