Finding the Fourth Proportional to 1,235,830,549.40, 1,854,940,217.70 and 623,106,632.60
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Solution
The fourth proportional to 1,235,830,549.40, 1,854,940,217.70 and 623,106,632.60 is: 935,262,162.99
Step by Step Solution
- Step 1: Write the proportion equation
1,235,830,549.40 : 1,854,940,217.70 = 623,106,632.60 : x - Step 2: Convert to fraction form
1,235,830,549.40/1,854,940,217.70 = 623,106,632.60/x - Step 3: Cross multiply
1,235,830,549.40x = 1,854,940,217.70 × 623,106,632.60 - Step 4: Simplify right side
1,235,830,549.40x = 1,155,825,552,725,358,080 - Step 5: Solve for x
x = 1,155,825,552,725,358,080/1,235,830,549.40 - Step 6: Final answer
x = 935,262,162.99
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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.