Finding the Fourth Proportional to 750,559,392.81, 1,126,347,720.62 and 307,982,085.07
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Solution
The fourth proportional to 750,559,392.81, 1,126,347,720.62 and 307,982,085.07 is: 462,181,837.75
Step by Step Solution
- Step 1: Write the proportion equation
750,559,392.81 : 1,126,347,720.62 = 307,982,085.07 : x - Step 2: Convert to fraction form
750,559,392.81/1,126,347,720.62 = 307,982,085.07/x - Step 3: Cross multiply
750,559,392.81x = 1,126,347,720.62 × 307,982,085.07 - Step 4: Simplify right side
750,559,392.81x = 346,894,919,510,389,376 - Step 5: Solve for x
x = 346,894,919,510,389,376/750,559,392.81 - Step 6: Final answer
x = 462,181,837.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.