Finding the Fourth Proportional to 750,559,391.81, 1,126,347,719.12 and 307,982,084.07
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Solution
The fourth proportional to 750,559,391.81, 1,126,347,719.12 and 307,982,084.07 is: 462,181,836.25
Step by Step Solution
- Step 1: Write the proportion equation
750,559,391.81 : 1,126,347,719.12 = 307,982,084.07 : x - Step 2: Convert to fraction form
750,559,391.81/1,126,347,719.12 = 307,982,084.07/x - Step 3: Cross multiply
750,559,391.81x = 1,126,347,719.12 × 307,982,084.07 - Step 4: Simplify right side
750,559,391.81x = 346,894,917,920,815,616 - Step 5: Solve for x
x = 346,894,917,920,815,616/750,559,391.81 - Step 6: Final answer
x = 462,181,836.25
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1.5x scale
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.